diff --git a/.editorconfig b/.editorconfig
index c193ae07150c3d9231411aeacd453ce6273cccee..9d5248e86f3723738102016ccbe9d8ed7d6ee1a8 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,6 +12,3 @@ trim_trailing_whitespace = true
 
 [*.md]
 trim_trailing_whitespace = false
-
-[*.py]
-indent_size = 4
diff --git a/CNAME b/CNAME
index 039362df61f9761d3d5f4ffe8d28be7b7af31d13..52c853392c25d3a670446641f4b44b22770b3bbe 100644
--- a/CNAME
+++ b/CNAME
@@ -1 +1 @@
-v4-alpha.getbootstrap.com
+getbootstrap.com
diff --git a/README.md b/README.md
index 37e1d86929b8c6032ee50dffe06276dc4341d6d5..0a79e97330b4e295d7023108778b4d423ca921bb 100644
--- a/README.md
+++ b/README.md
@@ -38,11 +38,11 @@
 
 Several quick start options are available:
 
-- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-beta.zip)
+- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-beta.2.zip)
 - Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
-- Install with [npm](https://www.npmjs.com/): `npm install bootstrap@4.0.0-beta`
-- Install with [yarn](https://yarnpkg.com/): `yarn add bootstrap@4.0.0-beta`
-- Install with [Composer](https://getcomposer.org/): `composer require twbs/bootstrap:4.0.0-beta`
+- Install with [npm](https://www.npmjs.com/): `npm install bootstrap@4.0.0-beta.2`
+- Install with [yarn](https://yarnpkg.com/): `yarn add bootstrap@4.0.0-beta.2`
+- Install with [Composer](https://getcomposer.org/): `composer require twbs/bootstrap:4.0.0-beta.2`
 - Install with [NuGet](https://www.nuget.org/): CSS: `Install-Package bootstrap -Pre` Sass: `Install-Package bootstrap.sass -Pre` (`-Pre` is only required until Bootstrap v4 has a stable release).
 
 Read the [Getting started page](https://getbootstrap.com/getting-started/) for information on the framework contents, templates and examples, and more.
@@ -109,7 +109,7 @@ Documentation search is powered by [Algolia's DocSearch](https://community.algol
 2. Run `npm install` to install Node.js dependencies.
 3. Run `npm run test` (or a specific NPM script) to rebuild distributed CSS and JavaScript files, as well as our docs assets.
 4. From the root `/bootstrap` directory, run `npm run docs-serve` in the command line.
-5. Open <http://localhost:9001> in your browser, and voilà.
+5. Open `http://localhost:9001` in your browser, and voilà.
 
 Learn more about using Jekyll by reading its [documentation](https://jekyllrb.com/docs/home/).
 
diff --git a/_config.yml b/_config.yml
index b056a7b0524d983441cf5d863ea810e9c44aefc2..074ec2da44cc168560c2ecc41b7192d1b43ebf6f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -49,25 +49,26 @@ social_image_path:  /assets/brand/bootstrap-social.png
 social_logo_path:   /assets/brand/bootstrap-social-logo.png
 
 # Custom variables
-current_version:    4.0.0-beta
-docs_version:       4.0
-repo:               "https://github.com/twbs/bootstrap"
-slack:              "https://bootstrap-slack.herokuapp.com"
-blog:               "https://blog.getbootstrap.com"
-expo:               "https://expo.getbootstrap.com"
-jobs:               "https://jobs.getbootstrap.com"
-themes:             "https://themes.getbootstrap.com"
+current_version:      4.0.0-beta.2
+current_ruby_version: 4.0.0.beta2
+docs_version:         4.0
+repo:                 "https://github.com/twbs/bootstrap"
+slack:                "https://bootstrap-slack.herokuapp.com"
+blog:                 "https://blog.getbootstrap.com"
+expo:                 "https://expo.getbootstrap.com"
+jobs:                 "https://jobs.getbootstrap.com"
+themes:               "https://themes.getbootstrap.com"
 
 download:
-  source:           "https://github.com/twbs/bootstrap/archive/v4.0.0-beta.zip"
-  dist:             "https://github.com/twbs/bootstrap/releases/download/v4.0.0-beta/bootstrap-4.0.0-beta-dist.zip"
+  source:           "https://github.com/twbs/bootstrap/archive/v4.0.0-beta.2.zip"
+  dist:             "https://github.com/twbs/bootstrap/releases/download/v4.0.0-beta.2/bootstrap-4.0.0-beta.2-dist.zip"
 
 cdn:
   # See https://www.srihash.org for info on how to generate the hashes
-  css:              "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css"
-  css_hash:         "sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M"
-  js:               "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js"
-  js_hash:          "sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"
+  css:              "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css"
+  css_hash:         "sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb"
+  js:               "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"
+  js_hash:          "sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ"
   jquery:           "https://code.jquery.com/jquery-3.2.1.slim.min.js"
   jquery_hash:      "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
   popper:           "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js"
diff --git a/_includes/docs-navbar.html b/_includes/docs-navbar.html
index ecedf7c4d6d5714a756af74581ae084dc76aacb8..4f3e68738de2835d671faaa841be277085273888 100644
--- a/_includes/docs-navbar.html
+++ b/_includes/docs-navbar.html
@@ -37,7 +37,7 @@
       <div class="dropdown-menu dropdown-menu-right" aria-labelledby="bd-versions">
         <a class="dropdown-item active" href="{{ site.baseurl }}/docs/{{ site.docs_version }}/">Latest (4.x)</a>
         <a class="dropdown-item" href="https://v4-alpha.getbootstrap.com/">v4 Alpha 6</a>
-        <a class="dropdown-item" href="https://getbootstrap.com/3.3/">v3.3.7</a>
+        <a class="dropdown-item" href="https://getbootstrap.com/docs/3.3/">v3.3.7</a>
         <a class="dropdown-item" href="https://getbootstrap.com/2.3.2/">v2.3.2</a>
       </div>
     </li>
diff --git a/_layouts/default.html b/_layouts/default.html
index 0c800e2bb97f7b18947fb57021481f5c82b2bd47..487baf470e9f4bb11c38071578b3d5757e1e8624 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -3,7 +3,7 @@
   <head>
     {% include header.html %}
   </head>
-  <body class="bd-docs" data-spy="scroll" data-target=".bd-sidenav-active">
+  <body>
     <a id="skippy" class="sr-only sr-only-focusable" href="#content">
       <div class="container">
         <span class="skiplink-text">Skip to main content</span>
diff --git a/_layouts/docs.html b/_layouts/docs.html
index 558d64d2ae69e50e49326b7fcfa33594c084a6ae..a9e2ce5a4d21519801e3b6e7343ec92e4b22cde8 100644
--- a/_layouts/docs.html
+++ b/_layouts/docs.html
@@ -3,7 +3,7 @@
   <head>
     {% include header.html %}
   </head>
-  <body class="bd-docs" data-spy="scroll" data-target=".bd-sidenav-active">
+  <body>
     <a id="skippy" class="sr-only sr-only-focusable" href="#content">
       <div class="container">
         <span class="skiplink-text">Skip to main content</span>
diff --git a/_layouts/home.html b/_layouts/home.html
index 05767fcd555658f5f9f477fdd9429e73bd03999d..a406ba2e6a2c54135da2a6810e05d466f29080f7 100644
--- a/_layouts/home.html
+++ b/_layouts/home.html
@@ -3,7 +3,7 @@
   <head>
     {% include header.html %}
   </head>
-  <body class="bd-home">
+  <body>
     <a id="skippy" class="sr-only sr-only-focusable" href="#content">
       <div class="container">
         <span class="skiplink-text">Skip to main content</span>
diff --git a/assets/css/docs.min.css b/assets/css/docs.min.css
index 89faf2f897016ad79e900936e911020d190ebccd..4cc6b2a0f3909a88b5b363476f5b537c317a6c94 100644
--- a/assets/css/docs.min.css
+++ b/assets/css/docs.min.css
@@ -4,5 +4,5 @@
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under the Creative Commons Attribution 3.0 Unported License. For
  * details, see https://creativecommons.org/licenses/by/3.0/.
- */.bd-navbar{min-height:4rem;background-color:#563d7c;box-shadow:0 .5rem 1rem rgba(0,0,0,.05),inset 0 -1px 0 rgba(0,0,0,.1)}@media (max-width:991px){.bd-navbar{padding-right:.5rem;padding-left:.5rem}.bd-navbar .navbar-nav-scroll{max-width:100%;height:2.5rem;margin-top:.25rem;overflow:hidden;font-size:.875rem}.bd-navbar .navbar-nav-scroll .navbar-nav{padding-bottom:2rem;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}}@media (min-width:768px){@supports ((position:-webkit-sticky) or (position:sticky)){.bd-navbar{position:-webkit-sticky;position:sticky;top:0;z-index:1071}}}.bd-navbar .navbar-nav .nav-link{padding-right:.5rem;padding-left:.5rem;color:#cdbfe3}.bd-navbar .navbar-nav .nav-link.active,.bd-navbar .navbar-nav .nav-link:hover{color:#fff;background-color:transparent}.bd-navbar .navbar-nav .nav-link.active{font-weight:500}.bd-navbar .navbar-nav-svg{display:inline-block;width:1rem;height:1rem;vertical-align:text-top}.bd-navbar .dropdown-menu{font-size:.875rem}.bd-navbar .dropdown-item.active{font-weight:500;color:#212529;background-color:transparent;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='%23292b2c' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:.4rem .6rem;background-size:.75rem .75rem}.bd-masthead{position:relative;padding:3rem 15px}.bd-masthead h1{line-height:1}.bd-masthead .btn{width:100%;padding:.8rem 2rem;font-size:1.25rem;font-weight:500}.bd-masthead .carbonad{margin-top:0!important;margin-bottom:-3rem!important}@media (min-width:576px){.bd-masthead{padding-top:5rem;padding-bottom:5rem}.bd-masthead .carbonad{margin-bottom:0!important}}@media (min-width:768px){.bd-masthead h1{font-size:4rem}.bd-masthead .carbonad{margin-top:3rem!important}}.bd-pretext{overflow:hidden;resize:none}.half-rule{width:6rem;margin:2.5rem 0}.masthead-followup .bd-clipboard{display:none}.masthead-followup .highlight{padding:.5rem 0;background-color:transparent}.bd-featured-sites{margin-right:-1px;margin-left:-1px}.bd-featured-sites .col-6{padding:1px}.bd-featured-sites .img-fluid{margin-top:0}@media (min-width:768px){.bd-featured-sites .col-sm-3:first-child img{border-top-left-radius:.25rem;border-bottom-left-radius:.25rem}.bd-featured-sites .col-sm-3:last-child img{border-top-right-radius:.25rem;border-bottom-right-radius:.25rem}}#carbonads{position:static;display:block;max-width:400px;padding:15px 15px 15px 160px;margin:2rem 0;overflow:hidden;font-size:13px;line-height:1.4;text-align:left;background-color:rgba(0,0,0,.05)}#carbonads a{color:#333;text-decoration:none}@media (min-width:576px){#carbonads{max-width:330px;border-radius:4px}}.carbon-img{float:left;margin-left:-145px}.carbon-poweredby{display:block;color:#777!important}.bd-content{-ms-flex-order:1;order:1}.bd-content>h2[id],.bd-content>h3[id],.bd-content>h4[id]{pointer-events:none}.bd-content>h2[id]>a,.bd-content>h2[id]>div,.bd-content>h3[id]>a,.bd-content>h3[id]>div,.bd-content>h4[id]>a,.bd-content>h4[id]>div{pointer-events:auto}.bd-content>h2[id]::before,.bd-content>h3[id]::before,.bd-content>h4[id]::before{display:block;height:6rem;margin-top:-6rem;visibility:hidden;content:""}.bd-content>table{width:100%;max-width:100%;margin-bottom:1rem}@media (max-width:991px){.bd-content>table{display:block;overflow-x:auto;-ms-overflow-style:-ms-autohiding-scrollbar}}.bd-content>table>tbody>tr>td,.bd-content>table>tbody>tr>th,.bd-content>table>tfoot>tr>td,.bd-content>table>tfoot>tr>th,.bd-content>table>thead>tr>td,.bd-content>table>thead>tr>th{padding:.75rem;vertical-align:top;border:1px solid #e9ecef}.bd-content>table>tbody>tr>td>p:last-child,.bd-content>table>tbody>tr>th>p:last-child,.bd-content>table>tfoot>tr>td>p:last-child,.bd-content>table>tfoot>tr>th>p:last-child,.bd-content>table>thead>tr>td>p:last-child,.bd-content>table>thead>tr>th>p:last-child{margin-bottom:0}.bd-content>table td:first-child>code{white-space:nowrap}.bd-content>h2:not(:first-child){margin-top:3rem}.bd-content>h3{margin-top:1.5rem}.bd-content>ol li,.bd-content>ul li{margin-bottom:.25rem}@media (min-width:992px){.bd-content>ol,.bd-content>p,.bd-content>ul{max-width:80%}}.bd-title{margin-top:1rem;margin-bottom:.5rem;font-weight:300}@media (min-width:576px){.bd-title{font-size:3rem}}.bd-lead{font-size:1.125rem;font-weight:300}@media (min-width:576px){.bd-lead{max-width:80%;margin-bottom:1rem;font-size:1.5rem}}.bd-text-purple{color:#563d7c}.bd-text-purple-bright{color:#7952b3}.bd-pageheader{padding:2rem 15px;margin-bottom:1.5rem;color:#cdbfe3;text-align:center;background-color:#563d7c}.bd-pageheader .container{position:relative}.bd-pageheader h1{font-size:3rem;font-weight:400;color:#fff}.bd-pageheader p{margin-bottom:0;font-size:1.25rem;font-weight:300}@media (min-width:576px){.bd-pageheader{padding-top:4rem;padding-bottom:4rem;margin-bottom:3rem;text-align:left}.bd-pageheader .carbonad{margin:2rem 0 0!important}}@media (min-width:768px){.bd-pageheader h1{font-size:4rem}.bd-pageheader p{font-size:1.5rem}}@media (min-width:992px){.bd-pageheader h1,.bd-pageheader p{margin-right:380px}.bd-pageheader .carbonad{position:absolute;top:0;right:.75rem;margin:0!important}}#skippy{display:block;padding:1em;color:#fff;background-color:#563d7c;outline:0}#skippy .skiplink-text{padding:.5em;outline:1px dotted}.bd-toc{-ms-flex-order:2;order:2;padding-top:1.5rem;padding-bottom:1.5rem;font-size:.875rem}@supports ((position:-webkit-sticky) or (position:sticky)){.bd-toc{position:-webkit-sticky;position:sticky;top:4rem;max-height:calc(100vh - 4rem);overflow-y:auto}}.section-nav{padding-left:0;border-left:1px solid #eee}.section-nav ul{padding-left:1rem}.section-nav ul ul{display:none}.toc-entry{display:block}.toc-entry a{display:block;padding:.125rem 1.5rem;color:#99979c}.toc-entry a:hover{color:#007bff;text-decoration:none}.bd-sidebar{-ms-flex-order:0;order:0;border-bottom:1px solid rgba(0,0,0,.1)}@media (min-width:768px){.bd-sidebar{border-right:1px solid rgba(0,0,0,.1)}@supports ((position:-webkit-sticky) or (position:sticky)){.bd-sidebar{position:-webkit-sticky;position:sticky;top:4rem;z-index:1000;max-height:calc(100vh - 4rem)}}}@media (min-width:1200px){.bd-sidebar{max-width:320px}}.bd-links{padding-top:1rem;padding-bottom:1rem;margin-right:-15px;margin-left:-15px}@media (min-width:768px){@supports ((position:-webkit-sticky) or (position:sticky)){.bd-links{max-height:calc(100vh - 9rem);overflow-y:auto}}}@media (min-width:768px){.bd-links{display:block!important}}.bd-search{position:relative;padding:1rem 15px;margin-right:-15px;margin-left:-15px;border-bottom:1px solid rgba(0,0,0,.05)}.bd-search .form-control:focus{border-color:#7952b3;box-shadow:0 0 0 3px rgba(121,82,179,.25)}.bd-search-docs-toggle{line-height:1;color:#212529}.bd-sidenav{display:none}.bd-toc-link{display:block;padding:.25rem 1.5rem;font-weight:500;color:rgba(0,0,0,.65)}.bd-toc-link:hover{color:rgba(0,0,0,.85);text-decoration:none}.bd-toc-item.active{margin-bottom:1rem}.bd-toc-item.active:not(:first-child){margin-top:1rem}.bd-toc-item.active>.bd-toc-link{color:rgba(0,0,0,.85)}.bd-toc-item.active>.bd-toc-link:hover{background-color:transparent}.bd-toc-item.active>.bd-sidenav{display:block}.bd-sidebar .nav>li>a{display:block;padding:.25rem 1.5rem;font-size:90%;color:rgba(0,0,0,.65)}.bd-sidebar .nav>li>a:hover{color:rgba(0,0,0,.85);text-decoration:none;background-color:transparent}.bd-sidebar .nav>.active:hover>a,.bd-sidebar .nav>.active>a{font-weight:500;color:rgba(0,0,0,.85);background-color:transparent}.bd-footer{font-size:85%;text-align:center;background-color:#f7f7f7}.bd-footer a{font-weight:500;color:#495057}.bd-footer a:focus,.bd-footer a:hover{color:#007bff}.bd-footer p{margin-bottom:0}@media (min-width:576px){.bd-footer{text-align:left}}.bd-footer-links{padding-left:0;margin-bottom:1rem}.bd-footer-links li{display:inline-block}.bd-footer-links li+li{margin-left:1rem}.bd-example-row .row+.row{margin-top:1rem}.bd-example-row .row>.col,.bd-example-row .row>[class^=col-]{padding-top:.75rem;padding-bottom:.75rem;background-color:rgba(86,61,124,.15);border:1px solid rgba(86,61,124,.2)}.bd-example-row .flex-items-bottom,.bd-example-row .flex-items-middle,.bd-example-row .flex-items-top{min-height:6rem;background-color:rgba(255,0,0,.1)}.bd-example-row-flex-cols .row{min-height:10rem;background-color:rgba(255,0,0,.1)}.bd-highlight{background-color:rgba(86,61,124,.15);border:1px solid rgba(86,61,124,.15)}.example-container{width:800px;width:100%;padding-right:15px;padding-left:15px;margin-right:auto;margin-left:auto}.example-row{display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-right:-15px;margin-left:-15px}.example-content-main{position:relative;width:100%;min-height:1px;padding-right:15px;padding-left:15px}@media (min-width:576px){.example-content-main{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}}@media (min-width:992px){.example-content-main{-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}}.example-content-secondary{position:relative;width:100%;min-height:1px;padding-right:15px;padding-left:15px}@media (min-width:576px){.example-content-secondary{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}}@media (min-width:992px){.example-content-secondary{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}}.bd-example-container{min-width:16rem;max-width:25rem;margin-right:auto;margin-left:auto}.bd-example-container-header{height:3rem;margin-bottom:.5rem;background-color:#fff;border-radius:.25rem}.bd-example-container-sidebar{float:right;width:4rem;height:8rem;background-color:#80bdff;border-radius:.25rem}.bd-example-container-body{height:8rem;margin-right:4.5rem;background-color:#957bbe;border-radius:.25rem}.bd-example-container-fluid{max-width:none}.bd-example{position:relative;padding:1rem;margin:1rem -15px;border:solid #f7f7f9;border-width:.2rem 0 0}.bd-example::after{display:block;clear:both;content:""}@media (min-width:576px){.bd-example{padding:1.5rem;margin-right:0;margin-bottom:0;margin-left:0;border-width:.2rem}}.bd-example+.clipboard+.highlight,.bd-example+.highlight{margin-top:0}.bd-example+p{margin-top:2rem}.bd-example .pos-f-t{position:relative;margin:-1rem}@media (min-width:576px){.bd-example 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\ No newline at end of file
diff --git a/assets/css/docs.min.css.map b/assets/css/docs.min.css.map
index bca8367a0978fc2276f6f9da6e5150a436b2c7c7..b0ac9d47c0b910f12d983578c1dd9d85b8ebea53 100644
Binary files a/assets/css/docs.min.css.map and b/assets/css/docs.min.css.map differ
diff --git a/assets/scss/_colors.scss b/assets/scss/_colors.scss
index d09d3a2c574daa2e35869626c38aa29ab326e72b..8d2825c5700e860229fa51f2d5b9419549641909 100644
--- a/assets/scss/_colors.scss
+++ b/assets/scss/_colors.scss
@@ -4,21 +4,21 @@
 
 @each $color, $value in $colors {
   .swatch-#{$color} {
+    color: color-yiq($value);
     background-color: #{$value};
-    @include color-yiq($value);
   }
 }
 
 @each $color, $value in $theme-colors {
   .swatch-#{$color} {
+    color: color-yiq($value);
     background-color: #{$value};
-    @include color-yiq($value);
   }
 }
 
 @each $color, $value in $grays {
   .swatch-#{$color} {
+    color: color-yiq($value);
     background-color: #{$value};
-    @include color-yiq($value);
   }
 }
diff --git a/assets/scss/_sidebar.scss b/assets/scss/_sidebar.scss
index fdf3ef242c87850617a2225f2e3d53a623d3717a..f4251f871fbdf79baa2102971254f75fde02ea5f 100644
--- a/assets/scss/_sidebar.scss
+++ b/assets/scss/_sidebar.scss
@@ -8,7 +8,7 @@
   @supports (position: sticky) {
     position: sticky;
     top: 4rem;
-    max-height: calc(100vh - 4rem);
+    height: calc(100vh - 4rem);
     overflow-y: auto;
   }
   order: 2;
@@ -59,7 +59,7 @@
       position: sticky;
       top: 4rem;
       z-index: 1000;
-      max-height: calc(100vh - 4rem);
+      height: calc(100vh - 4rem);
     }
     border-right: 1px solid rgba(0,0,0,.1);
   }
diff --git a/assets/scss/_variables.scss b/assets/scss/_variables.scss
index 1340044442f6a4750612a89fd1dc80a40b19f1eb..e3aed2e8257d4023b973e303fd5c1436d601d958 100644
--- a/assets/scss/_variables.scss
+++ b/assets/scss/_variables.scss
@@ -2,9 +2,7 @@
 $bd-purple:          #563d7c;
 $bd-purple-bright:   lighten(saturate($bd-purple, 5%), 15%);
 $bd-purple-light:    #cdbfe3;
-$bd-purple-lightest: #f5f2f9;
 $bd-graphite:        #2a2730;
-$bd-graphite-light:  lighten($bd-graphite, 40%);
 $bd-yellow:          #ffe484;
 $bd-danger:          #d9534f;
 $bd-warning:         #f0ad4e;
diff --git a/dist/css/bootstrap-grid.css b/dist/css/bootstrap-grid.css
index 89b9ee45386c0ea073a24dd9d7cd35ebb714789e..bcd4f33466188a7fc32225003965a46c6564af7a 100644
--- a/dist/css/bootstrap-grid.css
+++ b/dist/css/bootstrap-grid.css
@@ -1,3 +1,9 @@
+/*!
+ * Bootstrap Grid v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 @-ms-viewport {
   width: device-width;
 }
diff --git a/dist/css/bootstrap-grid.css.map b/dist/css/bootstrap-grid.css.map
index ec06a3b69d32b4ed7ad106b9f2b5c2ebe8de7aac..acfe45339540fba430ee119237e8042202b5c772 100644
Binary files a/dist/css/bootstrap-grid.css.map and b/dist/css/bootstrap-grid.css.map differ
diff --git a/dist/css/bootstrap-grid.min.css b/dist/css/bootstrap-grid.min.css
index 06603b3250965993c78af1158adf2734ee1624f9..a7b220f5fdcb8ba7391732769deb44b958f5e9b4 100644
--- a/dist/css/bootstrap-grid.min.css
+++ b/dist/css/bootstrap-grid.min.css
@@ -1,2 +1,7 @@
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diff --git a/dist/css/bootstrap-grid.min.css.map b/dist/css/bootstrap-grid.min.css.map
index 43d1b73638532e7ec0cdbe26507538ace4bee6c4..de236e9bc11e0a4b08b385c629b8e9d6d24653ec 100644
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diff --git a/dist/css/bootstrap-reboot.css b/dist/css/bootstrap-reboot.css
index 8d41549889dfa19edf0d2926a6cd622686467e3c..713196fcf0c41fe7ca3f418d86c64daf7528875e 100644
--- a/dist/css/bootstrap-reboot.css
+++ b/dist/css/bootstrap-reboot.css
@@ -1,3 +1,10 @@
+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 *,
 *::before,
 *::after {
diff --git a/dist/css/bootstrap-reboot.css.map b/dist/css/bootstrap-reboot.css.map
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Binary files a/dist/css/bootstrap-reboot.css.map and b/dist/css/bootstrap-reboot.css.map differ
diff --git a/dist/css/bootstrap-reboot.min.css b/dist/css/bootstrap-reboot.min.css
index 1f40df1e70acf5e97a4f5427ff923b434e3fdcec..3f4f1a877ad64d737323af37f5dd43b9a99d1d6c 100644
--- a/dist/css/bootstrap-reboot.min.css
+++ b/dist/css/bootstrap-reboot.min.css
@@ -1,2 +1,8 @@
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+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */*,::after,::before{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:transparent}@-ms-viewport{width:device-width}article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem}p{margin-top:0;margin-bottom:1rem}abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0}address{margin-bottom:1rem;font-style:normal;line-height:inherit}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#007bff;text-decoration:none;background-color:transparent;-webkit-text-decoration-skip:objects}a:hover{color:#0056b3;text-decoration:underline}a:not([href]):not([tabindex]){color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus,a:not([href]):not([tabindex]):hover{color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus{outline:0}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto;-ms-overflow-style:scrollbar}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg:not(:root){overflow:hidden}[role=button],a,area,button,input:not([type=range]),label,select,summary,textarea{-ms-touch-action:manipulation;touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#868e96;text-align:left;caption-side:bottom}th{text-align:inherit}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=date],input[type=datetime-local],input[type=month],input[type=time]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}
 /*# sourceMappingURL=bootstrap-reboot.min.css.map */
\ No newline at end of file
diff --git a/dist/css/bootstrap-reboot.min.css.map b/dist/css/bootstrap-reboot.min.css.map
index 098c90f6740e10e33dfddf789e5b2c93b72058c2..4b8e662764199023ee683a4217b5c7f9e26fbf16 100644
Binary files a/dist/css/bootstrap-reboot.min.css.map and b/dist/css/bootstrap-reboot.min.css.map differ
diff --git a/dist/css/bootstrap.css b/dist/css/bootstrap.css
index 26bcb275a339f7d2041af409ac5a787cdf683f0d..fa55c202e1e8c3557c9c9acd3fba6553749f175a 100644
--- a/dist/css/bootstrap.css
+++ b/dist/css/bootstrap.css
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -433,7 +433,7 @@ h1, h2, h3, h4, h5, h6,
   margin-bottom: 0.5rem;
   font-family: inherit;
   font-weight: 500;
-  line-height: 1.1;
+  line-height: 1.2;
   color: inherit;
 }
 
@@ -469,25 +469,25 @@ h6, .h6 {
 .display-1 {
   font-size: 6rem;
   font-weight: 300;
-  line-height: 1.1;
+  line-height: 1.2;
 }
 
 .display-2 {
   font-size: 5.5rem;
   font-weight: 300;
-  line-height: 1.1;
+  line-height: 1.2;
 }
 
 .display-3 {
   font-size: 4.5rem;
   font-weight: 300;
-  line-height: 1.1;
+  line-height: 1.2;
 }
 
 .display-4 {
   font-size: 3.5rem;
   font-weight: 300;
-  line-height: 1.1;
+  line-height: 1.2;
 }
 
 hr {
@@ -1870,6 +1870,7 @@ pre code {
   background-color: #fff;
   border-color: #80bdff;
   outline: none;
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
 }
 
 .form-control::-webkit-input-placeholder {
@@ -1882,6 +1883,11 @@ pre code {
   opacity: 1;
 }
 
+.form-control::-ms-input-placeholder {
+  color: #868e96;
+  opacity: 1;
+}
+
 .form-control::placeholder {
   color: #868e96;
   opacity: 1;
@@ -2220,10 +2226,6 @@ select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.for
   .form-inline .input-group {
     width: auto;
   }
-  .form-inline .form-control-label {
-    margin-bottom: 0;
-    vertical-align: middle;
-  }
   .form-inline .form-check {
     display: -ms-flexbox;
     display: flex;
@@ -2288,7 +2290,7 @@ select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.for
 
 .btn:focus, .btn.focus {
   outline: 0;
-  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
 }
 
 .btn.disabled, .btn:disabled {
@@ -2317,7 +2319,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-primary:focus, .btn-primary.focus {
-  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
 }
 
 .btn-primary.disabled, .btn-primary:disabled {
@@ -2327,9 +2329,10 @@ fieldset[disabled] a.btn {
 
 .btn-primary:not([disabled]):not(.disabled):active, .btn-primary:not([disabled]):not(.disabled).active,
 .show > .btn-primary.dropdown-toggle {
-  background-color: #0069d9;
-  background-image: none;
-  border-color: #0062cc;
+  color: #fff;
+  background-color: #0062cc;
+  border-color: #005cbf;
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
 }
 
 .btn-secondary {
@@ -2345,7 +2348,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-secondary:focus, .btn-secondary.focus {
-  box-shadow: 0 0 0 3px rgba(134, 142, 150, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
 }
 
 .btn-secondary.disabled, .btn-secondary:disabled {
@@ -2355,9 +2358,10 @@ fieldset[disabled] a.btn {
 
 .btn-secondary:not([disabled]):not(.disabled):active, .btn-secondary:not([disabled]):not(.disabled).active,
 .show > .btn-secondary.dropdown-toggle {
-  background-color: #727b84;
-  background-image: none;
-  border-color: #6c757d;
+  color: #fff;
+  background-color: #6c757d;
+  border-color: #666e76;
+  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
 }
 
 .btn-success {
@@ -2373,7 +2377,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-success:focus, .btn-success.focus {
-  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
 }
 
 .btn-success.disabled, .btn-success:disabled {
@@ -2383,9 +2387,10 @@ fieldset[disabled] a.btn {
 
 .btn-success:not([disabled]):not(.disabled):active, .btn-success:not([disabled]):not(.disabled).active,
 .show > .btn-success.dropdown-toggle {
-  background-color: #218838;
-  background-image: none;
-  border-color: #1e7e34;
+  color: #fff;
+  background-color: #1e7e34;
+  border-color: #1c7430;
+  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
 }
 
 .btn-info {
@@ -2401,7 +2406,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-info:focus, .btn-info.focus {
-  box-shadow: 0 0 0 3px rgba(23, 162, 184, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
 }
 
 .btn-info.disabled, .btn-info:disabled {
@@ -2411,9 +2416,10 @@ fieldset[disabled] a.btn {
 
 .btn-info:not([disabled]):not(.disabled):active, .btn-info:not([disabled]):not(.disabled).active,
 .show > .btn-info.dropdown-toggle {
-  background-color: #138496;
-  background-image: none;
-  border-color: #117a8b;
+  color: #fff;
+  background-color: #117a8b;
+  border-color: #10707f;
+  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
 }
 
 .btn-warning {
@@ -2429,7 +2435,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-warning:focus, .btn-warning.focus {
-  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
 }
 
 .btn-warning.disabled, .btn-warning:disabled {
@@ -2439,9 +2445,10 @@ fieldset[disabled] a.btn {
 
 .btn-warning:not([disabled]):not(.disabled):active, .btn-warning:not([disabled]):not(.disabled).active,
 .show > .btn-warning.dropdown-toggle {
-  background-color: #e0a800;
-  background-image: none;
-  border-color: #d39e00;
+  color: #111;
+  background-color: #d39e00;
+  border-color: #c69500;
+  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
 }
 
 .btn-danger {
@@ -2457,7 +2464,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-danger:focus, .btn-danger.focus {
-  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
 }
 
 .btn-danger.disabled, .btn-danger:disabled {
@@ -2467,9 +2474,10 @@ fieldset[disabled] a.btn {
 
 .btn-danger:not([disabled]):not(.disabled):active, .btn-danger:not([disabled]):not(.disabled).active,
 .show > .btn-danger.dropdown-toggle {
-  background-color: #c82333;
-  background-image: none;
-  border-color: #bd2130;
+  color: #fff;
+  background-color: #bd2130;
+  border-color: #b21f2d;
+  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
 }
 
 .btn-light {
@@ -2485,7 +2493,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-light:focus, .btn-light.focus {
-  box-shadow: 0 0 0 3px rgba(248, 249, 250, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
 }
 
 .btn-light.disabled, .btn-light:disabled {
@@ -2495,9 +2503,10 @@ fieldset[disabled] a.btn {
 
 .btn-light:not([disabled]):not(.disabled):active, .btn-light:not([disabled]):not(.disabled).active,
 .show > .btn-light.dropdown-toggle {
-  background-color: #e2e6ea;
-  background-image: none;
-  border-color: #dae0e5;
+  color: #111;
+  background-color: #dae0e5;
+  border-color: #d3d9df;
+  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
 }
 
 .btn-dark {
@@ -2513,7 +2522,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-dark:focus, .btn-dark.focus {
-  box-shadow: 0 0 0 3px rgba(52, 58, 64, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
 }
 
 .btn-dark.disabled, .btn-dark:disabled {
@@ -2523,9 +2532,10 @@ fieldset[disabled] a.btn {
 
 .btn-dark:not([disabled]):not(.disabled):active, .btn-dark:not([disabled]):not(.disabled).active,
 .show > .btn-dark.dropdown-toggle {
-  background-color: #23272b;
-  background-image: none;
-  border-color: #1d2124;
+  color: #fff;
+  background-color: #1d2124;
+  border-color: #171a1d;
+  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
 }
 
 .btn-outline-primary {
@@ -2542,7 +2552,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-primary:focus, .btn-outline-primary.focus {
-  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
 }
 
 .btn-outline-primary.disabled, .btn-outline-primary:disabled {
@@ -2555,6 +2565,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #007bff;
   border-color: #007bff;
+  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
 }
 
 .btn-outline-secondary {
@@ -2571,7 +2582,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-secondary:focus, .btn-outline-secondary.focus {
-  box-shadow: 0 0 0 3px rgba(134, 142, 150, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
 }
 
 .btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
@@ -2584,6 +2595,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #868e96;
   border-color: #868e96;
+  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
 }
 
 .btn-outline-success {
@@ -2600,7 +2612,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-success:focus, .btn-outline-success.focus {
-  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
 }
 
 .btn-outline-success.disabled, .btn-outline-success:disabled {
@@ -2613,6 +2625,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #28a745;
   border-color: #28a745;
+  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
 }
 
 .btn-outline-info {
@@ -2629,7 +2642,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-info:focus, .btn-outline-info.focus {
-  box-shadow: 0 0 0 3px rgba(23, 162, 184, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
 }
 
 .btn-outline-info.disabled, .btn-outline-info:disabled {
@@ -2642,6 +2655,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #17a2b8;
   border-color: #17a2b8;
+  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
 }
 
 .btn-outline-warning {
@@ -2658,7 +2672,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-warning:focus, .btn-outline-warning.focus {
-  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
 }
 
 .btn-outline-warning.disabled, .btn-outline-warning:disabled {
@@ -2671,6 +2685,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #ffc107;
   border-color: #ffc107;
+  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
 }
 
 .btn-outline-danger {
@@ -2687,7 +2702,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-danger:focus, .btn-outline-danger.focus {
-  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
 }
 
 .btn-outline-danger.disabled, .btn-outline-danger:disabled {
@@ -2700,6 +2715,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #dc3545;
   border-color: #dc3545;
+  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
 }
 
 .btn-outline-light {
@@ -2716,7 +2732,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-light:focus, .btn-outline-light.focus {
-  box-shadow: 0 0 0 3px rgba(248, 249, 250, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
 }
 
 .btn-outline-light.disabled, .btn-outline-light:disabled {
@@ -2729,6 +2745,7 @@ fieldset[disabled] a.btn {
   color: #212529;
   background-color: #f8f9fa;
   border-color: #f8f9fa;
+  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
 }
 
 .btn-outline-dark {
@@ -2745,7 +2762,7 @@ fieldset[disabled] a.btn {
 }
 
 .btn-outline-dark:focus, .btn-outline-dark.focus {
-  box-shadow: 0 0 0 3px rgba(52, 58, 64, 0.5);
+  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
 }
 
 .btn-outline-dark.disabled, .btn-outline-dark:disabled {
@@ -2758,6 +2775,7 @@ fieldset[disabled] a.btn {
   color: #fff;
   background-color: #343a40;
   border-color: #343a40;
+  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
 }
 
 .btn-link {
@@ -3299,7 +3317,7 @@ tbody.collapse.show {
 }
 
 .custom-control-input:focus ~ .custom-control-indicator {
-  box-shadow: 0 0 0 1px #fff, 0 0 0 3px #007bff;
+  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
 }
 
 .custom-control-input:active ~ .custom-control-indicator {
@@ -4762,15 +4780,10 @@ tbody.collapse.show {
 
 .list-group-flush .list-group-item {
   border-right: 0;
-  border-bottom: 0;
   border-left: 0;
   border-radius: 0;
 }
 
-.list-group-flush .list-group-item:first-child {
-  border-top: 0;
-}
-
 .list-group-flush:first-child .list-group-item:first-child {
   border-top: 0;
 }
@@ -5258,7 +5271,6 @@ button.close {
   z-index: 1060;
   display: block;
   max-width: 276px;
-  padding: 1px;
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
   font-style: normal;
   font-weight: 400;
@@ -5284,8 +5296,8 @@ button.close {
 .popover .arrow {
   position: absolute;
   display: block;
-  width: 10px;
-  height: 5px;
+  width: 0.8rem;
+  height: 0.4rem;
 }
 
 .popover .arrow::before,
@@ -5298,16 +5310,16 @@ button.close {
 
 .popover .arrow::before {
   content: "";
-  border-width: 11px;
+  border-width: 0.8rem;
 }
 
 .popover .arrow::after {
   content: "";
-  border-width: 11px;
+  border-width: 0.8rem;
 }
 
 .popover.bs-popover-top, .popover.bs-popover-auto[x-placement^="top"] {
-  margin-bottom: 10px;
+  margin-bottom: 0.8rem;
 }
 
 .popover.bs-popover-top .arrow, .popover.bs-popover-auto[x-placement^="top"] .arrow {
@@ -5320,19 +5332,19 @@ button.close {
 }
 
 .popover.bs-popover-top .arrow::before, .popover.bs-popover-auto[x-placement^="top"] .arrow::before {
-  bottom: -11px;
-  margin-left: -6px;
+  bottom: -0.8rem;
+  margin-left: -0.8rem;
   border-top-color: rgba(0, 0, 0, 0.25);
 }
 
 .popover.bs-popover-top .arrow::after, .popover.bs-popover-auto[x-placement^="top"] .arrow::after {
-  bottom: -10px;
-  margin-left: -6px;
+  bottom: calc((0.8rem - 1px) * -1);
+  margin-left: -0.8rem;
   border-top-color: #fff;
 }
 
 .popover.bs-popover-right, .popover.bs-popover-auto[x-placement^="right"] {
-  margin-left: 10px;
+  margin-left: 0.8rem;
 }
 
 .popover.bs-popover-right .arrow, .popover.bs-popover-auto[x-placement^="right"] .arrow {
@@ -5341,22 +5353,22 @@ button.close {
 
 .popover.bs-popover-right .arrow::before, .popover.bs-popover-auto[x-placement^="right"] .arrow::before,
 .popover.bs-popover-right .arrow::after, .popover.bs-popover-auto[x-placement^="right"] .arrow::after {
-  margin-top: -8px;
+  margin-top: -0.8rem;
   border-left-width: 0;
 }
 
 .popover.bs-popover-right .arrow::before, .popover.bs-popover-auto[x-placement^="right"] .arrow::before {
-  left: -11px;
+  left: -0.8rem;
   border-right-color: rgba(0, 0, 0, 0.25);
 }
 
 .popover.bs-popover-right .arrow::after, .popover.bs-popover-auto[x-placement^="right"] .arrow::after {
-  left: -10px;
+  left: calc((0.8rem - 1px) * -1);
   border-right-color: #fff;
 }
 
 .popover.bs-popover-bottom, .popover.bs-popover-auto[x-placement^="bottom"] {
-  margin-top: 10px;
+  margin-top: 0.8rem;
 }
 
 .popover.bs-popover-bottom .arrow, .popover.bs-popover-auto[x-placement^="bottom"] .arrow {
@@ -5365,17 +5377,17 @@ button.close {
 
 .popover.bs-popover-bottom .arrow::before, .popover.bs-popover-auto[x-placement^="bottom"] .arrow::before,
 .popover.bs-popover-bottom .arrow::after, .popover.bs-popover-auto[x-placement^="bottom"] .arrow::after {
-  margin-left: -7px;
+  margin-left: -0.8rem;
   border-top-width: 0;
 }
 
 .popover.bs-popover-bottom .arrow::before, .popover.bs-popover-auto[x-placement^="bottom"] .arrow::before {
-  top: -11px;
+  top: -0.8rem;
   border-bottom-color: rgba(0, 0, 0, 0.25);
 }
 
 .popover.bs-popover-bottom .arrow::after, .popover.bs-popover-auto[x-placement^="bottom"] .arrow::after {
-  top: -10px;
+  top: calc((0.8rem - 1px) * -1);
   border-bottom-color: #fff;
 }
 
@@ -5391,7 +5403,7 @@ button.close {
 }
 
 .popover.bs-popover-left, .popover.bs-popover-auto[x-placement^="left"] {
-  margin-right: 10px;
+  margin-right: 0.8rem;
 }
 
 .popover.bs-popover-left .arrow, .popover.bs-popover-auto[x-placement^="left"] .arrow {
@@ -5400,22 +5412,22 @@ button.close {
 
 .popover.bs-popover-left .arrow::before, .popover.bs-popover-auto[x-placement^="left"] .arrow::before,
 .popover.bs-popover-left .arrow::after, .popover.bs-popover-auto[x-placement^="left"] .arrow::after {
-  margin-top: -8px;
+  margin-top: -0.8rem;
   border-right-width: 0;
 }
 
 .popover.bs-popover-left .arrow::before, .popover.bs-popover-auto[x-placement^="left"] .arrow::before {
-  right: -11px;
+  right: -0.8rem;
   border-left-color: rgba(0, 0, 0, 0.25);
 }
 
 .popover.bs-popover-left .arrow::after, .popover.bs-popover-auto[x-placement^="left"] .arrow::after {
-  right: -10px;
+  right: calc((0.8rem - 1px) * -1);
   border-left-color: #fff;
 }
 
 .popover-header {
-  padding: 8px 14px;
+  padding: 0.5rem 0.75rem;
   margin-bottom: 0;
   font-size: 1rem;
   color: inherit;
@@ -5430,7 +5442,7 @@ button.close {
 }
 
 .popover-body {
-  padding: 9px 14px;
+  padding: 0.5rem 0.75rem;
   color: #212529;
 }
 
diff --git a/dist/css/bootstrap.css.map b/dist/css/bootstrap.css.map
index 2519f763d5ff868410dfbdbb7d715251595743bc..77a5c8e7f50343bf66b71bdd29d883e7e690bfd3 100644
Binary files a/dist/css/bootstrap.css.map and b/dist/css/bootstrap.css.map differ
diff --git a/dist/css/bootstrap.min.css b/dist/css/bootstrap.min.css
index 49ce1927e5fbd3fe17322eee4c61c38aebbe470e..ad65b4ed312be80fa155062851b6b8abb42340b5 100644
--- a/dist/css/bootstrap.min.css
+++ b/dist/css/bootstrap.min.css
@@ -1,7 +1,7 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- */:root{--blue:#007bff;--indigo:#6610f2;--purple:#6f42c1;--pink:#e83e8c;--red:#dc3545;--orange:#fd7e14;--yellow:#ffc107;--green:#28a745;--teal:#20c997;--cyan:#17a2b8;--white:#fff;--gray:#868e96;--gray-dark:#343a40;--primary:#007bff;--secondary:#868e96;--success:#28a745;--info:#17a2b8;--warning:#ffc107;--danger:#dc3545;--light:#f8f9fa;--dark:#343a40;--breakpoint-xs:0;--breakpoint-sm:576px;--breakpoint-md:768px;--breakpoint-lg:992px;--breakpoint-xl:1200px;--font-family-sans-serif:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";--font-family-monospace:"SFMono-Regular",Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}@media print{*,::after,::before{text-shadow:none!important;box-shadow:none!important}a,a:visited{text-decoration:underline}abbr[title]::after{content:" (" attr(title) ")"}pre{white-space:pre-wrap!important}blockquote,pre{border:1px solid 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\ No newline at end of file
diff --git a/dist/css/bootstrap.min.css.map b/dist/css/bootstrap.min.css.map
index 36678ad2c4c187f0b0fd952de98941c9859ba80e..e19dbfe8d2ff968f2ffd5c63d827278981c8131c 100644
Binary files a/dist/css/bootstrap.min.css.map and b/dist/css/bootstrap.min.css.map differ
diff --git a/dist/js/bootstrap.bundle.js b/dist/js/bootstrap.bundle.js
index b320740090404f2b36d0c7ce32cf85450b8743d8..88494394e4a035ec5f84e71d2df02806d6111a47 100644
--- a/dist/js/bootstrap.bundle.js
+++ b/dist/js/bootstrap.bundle.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
   * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
@@ -10,7 +10,7 @@ $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -179,7 +179,7 @@ var inheritsLoose = _inheritsLoose;
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -191,7 +191,7 @@ var Alert = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'alert';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -351,7 +351,7 @@ var Alert = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -363,7 +363,7 @@ var Button = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'button';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -514,7 +514,7 @@ var Button = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -526,7 +526,7 @@ var Carousel = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'carousel';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1014,7 +1014,7 @@ var Carousel = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1026,7 +1026,7 @@ var Collapse = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'collapse';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -3819,7 +3819,7 @@ Popper.Defaults = Defaults;
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3840,7 +3840,7 @@ var Dropdown = function () {
 
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -4258,7 +4258,7 @@ var Dropdown = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -4270,7 +4270,7 @@ var Modal = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'modal';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -4834,7 +4834,7 @@ var Modal = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -4855,7 +4855,7 @@ var Tooltip = function () {
 
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -5495,7 +5495,7 @@ var Tooltip = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -5507,7 +5507,7 @@ var Popover = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'popover';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -5681,7 +5681,7 @@ var Popover = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -5693,7 +5693,7 @@ var ScrollSpy = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -5992,7 +5992,7 @@ var ScrollSpy = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -6004,7 +6004,7 @@ var Tab = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'tab';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -6258,11 +6258,14 @@ var Tab = function () {
   }
 
   var version = $.fn.jquery.split(' ')[0].split('.');
-  var min = 3;
-  var max = 4;
-
-  if (version[0] < min || version[0] >= max) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  var minMajor = 1;
+  var ltMajor = 2;
+  var minMinor = 9;
+  var minPatch = 1;
+  var maxMajor = 4;
+
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
   }
 })($);
 
@@ -6281,3 +6284,4 @@ exports.Tooltip = Tooltip;
 return exports;
 
 }({},$));
+//# sourceMappingURL=bootstrap.bundle.js.map
diff --git a/dist/js/bootstrap.bundle.js.map b/dist/js/bootstrap.bundle.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..53c66d2cc3cd6f047693bbdc08728893a5b457a9
Binary files /dev/null and b/dist/js/bootstrap.bundle.js.map differ
diff --git a/dist/js/bootstrap.bundle.min.js b/dist/js/bootstrap.bundle.min.js
index fb515de44da1f8d513db4b2ed53279024b0f0e99..6342466ffa6aec21eaf1a4b79e841e33367cc9b2 100644
--- a/dist/js/bootstrap.bundle.min.js
+++ b/dist/js/bootstrap.bundle.min.js
@@ -1,6 +1,7 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
   * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
-var bootstrap=function(t,e){"use strict";function n(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function i(t){var e={};return t&&"[object Function]"===e.toString.call(t)}function r(t,e){if(1!==t.nodeType)return[];var n=window.getComputedStyle(t,null);return e?n[e]:n}function o(t){return"HTML"===t.nodeName?t:t.parentNode||t.host}function s(t){if(!t||-1!==["HTML","BODY","#document"].indexOf(t.nodeName))return window.document.body;var e=r(t),n=e.overflow,i=e.overflowX,a=e.overflowY;return/(auto|scroll)/.test(n+a+i)?t:s(o(t))}function a(t){var e=t&&t.offsetParent,n=e&&e.nodeName;return n&&"BODY"!==n&&"HTML"!==n?-1!==["TD","TABLE"].indexOf(e.nodeName)&&"static"===r(e,"position")?a(e):e:window.document.documentElement}function l(t){var e=t.nodeName;return"BODY"!==e&&("HTML"===e||a(t.firstElementChild)===t)}function c(t){return null!==t.parentNode?c(t.parentNode):t}function 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t=r._getParentFromElement(this._element),n=e(this._menu).hasClass(a.SHOW);if(r._clearMenus(),!n){var i={relatedTarget:this._element},o=e.Event(s.SHOW,i);if(e(t).trigger(o),!o.isDefaultPrevented()){var c=this._element;e(t).hasClass(a.DROPUP)&&(e(this._menu).hasClass(a.MENULEFT)||e(this._menu).hasClass(a.MENURIGHT))&&(c=t),this._popper=new _t(c,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(l.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(a.SHOW),e(t).toggleClass(a.SHOW).trigger(e.Event(s.SHOWN,i))}}}},u.dispose=function(){e.removeData(this._element,n),e(this._element).off(i),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},u.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},u._addEventListeners=function(){var 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t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(a.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(s.HIDDEN)})},c._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},c._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(a.FADE)?a.FADE:"";if(this._isShown&&this._config.backdrop){var r=X.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=a.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(s.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&X.reflow(this._backdrop),e(this._backdrop).addClass(a.SHOW),!t)return;if(!r)return void 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t=this;if(this._isBodyOverflowing){e(l.FIXED_CONTENT).each(function(n,i){var r=e(i)[0].style.paddingRight,o=e(i).css("padding-right");e(i).data("padding-right",r).css("padding-right",parseFloat(o)+t._scrollbarWidth+"px")}),e(l.STICKY_CONTENT).each(function(n,i){var r=e(i)[0].style.marginRight,o=e(i).css("margin-right");e(i).data("margin-right",r).css("margin-right",parseFloat(o)-t._scrollbarWidth+"px")}),e(l.NAVBAR_TOGGLER).each(function(n,i){var r=e(i)[0].style.marginRight,o=e(i).css("margin-right");e(i).data("margin-right",r).css("margin-right",parseFloat(o)+t._scrollbarWidth+"px")});var n=document.body.style.paddingRight,i=e("body").css("padding-right");e("body").data("padding-right",n).css("padding-right",parseFloat(i)+this._scrollbarWidth+"px")}},c._resetScrollbar=function(){e(l.FIXED_CONTENT).each(function(t,n){var i=e(n).data("padding-right");"undefined"!=typeof i&&e(n).css("padding-right",i).removeData("padding-right")}),e(l.STICKY_CONTENT+", 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t=r._getParentFromElement(this._element),n=e(this._menu).hasClass(a.SHOW);if(r._clearMenus(),!n){var i={relatedTarget:this._element},o=e.Event(s.SHOW,i);if(e(t).trigger(o),!o.isDefaultPrevented()){var c=this._element;e(t).hasClass(a.DROPUP)&&(e(this._menu).hasClass(a.MENULEFT)||e(this._menu).hasClass(a.MENURIGHT))&&(c=t),this._popper=new _t(c,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(l.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(a.SHOW),e(t).toggleClass(a.SHOW).trigger(e.Event(s.SHOWN,i))}}}},u.dispose=function(){e.removeData(this._element,n),e(this._element).off(i),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},u.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},u._addEventListeners=function(){var t=this;e(this._element).on(s.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},u._getConfig=function(n){return n=e.extend({},this.constructor.Default,e(this._element).data(),n),X.typeCheckConfig(t,n,this.constructor.DefaultType),n},u._getMenuElement=function(){if(!this._menu){var t=r._getParentFromElement(this._element);this._menu=e(t).find(l.MENU)[0]}return this._menu},u._getPlacement=function(){var t=e(this._element).parent(),n=c.BOTTOM;return t.hasClass(a.DROPUP)?(n=c.TOP,e(this._menu).hasClass(a.MENURIGHT)&&(n=c.TOPEND)):e(this._menu).hasClass(a.MENURIGHT)&&(n=c.BOTTOMEND),n},u._detectNavbar=function(){return e(this._element).closest(".navbar").length>0},u._getPopperConfig=function(){var t=this,n={};"function"==typeof this._config.offset?n.fn=function(n){return n.offsets=e.extend({},n.offsets,t._config.offset(n.offsets)||{}),n}:n.offset=this._config.offset;var i={placement:this._getPlacement(),modifiers:{offset:n,flip:{enabled:this._config.flip}}};return this._inNavbar&&(i.modifiers.applyStyle={enabled:!this._inNavbar}),i},r._jQueryInterface=function(t){return this.each(function(){var i=e(this).data(n),o="object"==typeof t?t:null;if(i||(i=new r(this,o),e(this).data(n,i)),"string"==typeof t){if("undefined"==typeof i[t])throw new Error('No method named "'+t+'"');i[t]()}})},r._clearMenus=function(t){if(!t||3!==t.which&&("keyup"!==t.type||9===t.which))for(var i=e.makeArray(e(l.DATA_TOGGLE)),o=0;o<i.length;o++){var c=r._getParentFromElement(i[o]),f=e(i[o]).data(n),h={relatedTarget:i[o]};if(f){var u=f._menu;if(e(c).hasClass(a.SHOW)&&!(t&&("click"===t.type&&/input|textarea/i.test(t.target.tagName)||"keyup"===t.type&&9===t.which)&&e.contains(c,t.target))){var d=e.Event(s.HIDE,h);e(c).trigger(d),d.isDefaultPrevented()||("ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),i[o].setAttribute("aria-expanded","false"),e(u).removeClass(a.SHOW),e(c).removeClass(a.SHOW).trigger(e.Event(s.HIDDEN,h)))}}}},r._getParentFromElement=function(t){var n,i=X.getSelectorFromElement(t);return i&&(n=e(i)[0]),n||t.parentNode},r._dataApiKeydownHandler=function(t){if(!(!o.test(t.which)||/button/i.test(t.target.tagName)&&32===t.which||/input|textarea/i.test(t.target.tagName)||(t.preventDefault(),t.stopPropagation(),this.disabled||e(this).hasClass(a.DISABLED)))){var n=r._getParentFromElement(this),i=e(n).hasClass(a.SHOW);if((i||27===t.which&&32===t.which)&&(!i||27!==t.which&&32!==t.which)){var s=e(n).find(l.VISIBLE_ITEMS).get();if(s.length){var c=s.indexOf(t.target);38===t.which&&c>0&&c--,40===t.which&&c<s.length-1&&c++,c<0&&(c=0),s[c].focus()}}else{if(27===t.which){var f=e(n).find(l.DATA_TOGGLE)[0];e(f).trigger("focus")}e(this).trigger("click")}}},q(r,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return f}},{key:"DefaultType",get:function(){return h}}]),r}();return e(document).on(s.KEYDOWN_DATA_API,l.DATA_TOGGLE,u._dataApiKeydownHandler).on(s.KEYDOWN_DATA_API,l.MENU,u._dataApiKeydownHandler).on(s.CLICK_DATA_API+" "+s.KEYUP_DATA_API,u._clearMenus).on(s.CLICK_DATA_API,l.DATA_TOGGLE,function(t){t.preventDefault(),t.stopPropagation(),u._jQueryInterface.call(e(this),"toggle")}).on(s.CLICK_DATA_API,l.FORM_CHILD,function(t){t.stopPropagation()}),e.fn[t]=u._jQueryInterface,e.fn[t].Constructor=u,e.fn[t].noConflict=function(){return e.fn[t]=r,u._jQueryInterface},u}(),Et=function(){var t="modal",n=".bs.modal",i=e.fn[t],r={backdrop:!0,keyboard:!0,focus:!0,show:!0},o={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},s={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},a={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},l={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",STICKY_CONTENT:".sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},c=function(){function i(t,n){this._config=this._getConfig(n),this._element=t,this._dialog=e(t).find(l.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}var c=i.prototype;return c.toggle=function(t){return this._isShown?this.hide():this.show(t)},c.show=function(t){var n=this;if(!this._isTransitioning&&!this._isShown){X.supportsTransitionEnd()&&e(this._element).hasClass(a.FADE)&&(this._isTransitioning=!0);var i=e.Event(s.SHOW,{relatedTarget:t});e(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),e(document.body).addClass(a.OPEN),this._setEscapeEvent(),this._setResizeEvent(),e(this._element).on(s.CLICK_DISMISS,l.DATA_DISMISS,function(t){return n.hide(t)}),e(this._dialog).on(s.MOUSEDOWN_DISMISS,function(){e(n._element).one(s.MOUSEUP_DISMISS,function(t){e(t.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(t)}))}},c.hide=function(t){var n=this;if(t&&t.preventDefault(),!this._isTransitioning&&this._isShown){var i=e.Event(s.HIDE);if(e(this._element).trigger(i),this._isShown&&!i.isDefaultPrevented()){this._isShown=!1;var r=X.supportsTransitionEnd()&&e(this._element).hasClass(a.FADE);r&&(this._isTransitioning=!0),this._setEscapeEvent(),this._setResizeEvent(),e(document).off(s.FOCUSIN),e(this._element).removeClass(a.SHOW),e(this._element).off(s.CLICK_DISMISS),e(this._dialog).off(s.MOUSEDOWN_DISMISS),r?e(this._element).one(X.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal()}}},c.dispose=function(){e.removeData(this._element,"bs.modal"),e(window,document,this._element,this._backdrop).off(n),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},c.handleUpdate=function(){this._adjustDialog()},c._getConfig=function(n){return n=e.extend({},r,n),X.typeCheckConfig(t,n,o),n},c._showElement=function(t){var n=this,i=X.supportsTransitionEnd()&&e(this._element).hasClass(a.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&X.reflow(this._element),e(this._element).addClass(a.SHOW),this._config.focus&&this._enforceFocus();var r=e.Event(s.SHOWN,{relatedTarget:t}),o=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,e(n._element).trigger(r)};i?e(this._dialog).one(X.TRANSITION_END,o).emulateTransitionEnd(300):o()},c._enforceFocus=function(){var t=this;e(document).off(s.FOCUSIN).on(s.FOCUSIN,function(n){document===n.target||t._element===n.target||e(t._element).has(n.target).length||t._element.focus()})},c._setEscapeEvent=function(){var t=this;this._isShown&&this._config.keyboard?e(this._element).on(s.KEYDOWN_DISMISS,function(e){27===e.which&&(e.preventDefault(),t.hide())}):this._isShown||e(this._element).off(s.KEYDOWN_DISMISS)},c._setResizeEvent=function(){var t=this;this._isShown?e(window).on(s.RESIZE,function(e){return t.handleUpdate(e)}):e(window).off(s.RESIZE)},c._hideModal=function(){var t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(a.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(s.HIDDEN)})},c._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},c._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(a.FADE)?a.FADE:"";if(this._isShown&&this._config.backdrop){var r=X.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=a.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(s.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&X.reflow(this._backdrop),e(this._backdrop).addClass(a.SHOW),!t)return;if(!r)return void 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t=this;if(this._isBodyOverflowing){e(l.FIXED_CONTENT).each(function(n,i){var r=e(i)[0].style.paddingRight,o=e(i).css("padding-right");e(i).data("padding-right",r).css("padding-right",parseFloat(o)+t._scrollbarWidth+"px")}),e(l.STICKY_CONTENT).each(function(n,i){var r=e(i)[0].style.marginRight,o=e(i).css("margin-right");e(i).data("margin-right",r).css("margin-right",parseFloat(o)-t._scrollbarWidth+"px")}),e(l.NAVBAR_TOGGLER).each(function(n,i){var r=e(i)[0].style.marginRight,o=e(i).css("margin-right");e(i).data("margin-right",r).css("margin-right",parseFloat(o)+t._scrollbarWidth+"px")});var n=document.body.style.paddingRight,i=e("body").css("padding-right");e("body").data("padding-right",n).css("padding-right",parseFloat(i)+this._scrollbarWidth+"px")}},c._resetScrollbar=function(){e(l.FIXED_CONTENT).each(function(t,n){var i=e(n).data("padding-right");"undefined"!=typeof i&&e(n).css("padding-right",i).removeData("padding-right")}),e(l.STICKY_CONTENT+", "+l.NAVBAR_TOGGLER).each(function(t,n){var i=e(n).data("margin-right");"undefined"!=typeof i&&e(n).css("margin-right",i).removeData("margin-right")});var t=e("body").data("padding-right");"undefined"!=typeof t&&e("body").css("padding-right",t).removeData("padding-right")},c._getScrollbarWidth=function(){var t=document.createElement("div");t.className=a.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.getBoundingClientRect().width-t.clientWidth;return document.body.removeChild(t),e},i._jQueryInterface=function(t,n){return this.each(function(){var r=e(this).data("bs.modal"),o=e.extend({},i.Default,e(this).data(),"object"==typeof t&&t);if(r||(r=new i(this,o),e(this).data("bs.modal",r)),"string"==typeof t){if("undefined"==typeof r[t])throw new Error('No method named "'+t+'"');r[t](n)}else o.show&&r.show(n)})},q(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return r}}]),i}();return e(document).on(s.CLICK_DATA_API,l.DATA_TOGGLE,function(t){var n,i=this,r=X.getSelectorFromElement(this);r&&(n=e(r)[0]);var o=e(n).data("bs.modal")?"toggle":e.extend({},e(n).data(),e(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||t.preventDefault();var a=e(n).one(s.SHOW,function(t){t.isDefaultPrevented()||a.one(s.HIDDEN,function(){e(i).is(":visible")&&i.focus()})});c._jQueryInterface.call(e(n),o,this)}),e.fn[t]=c._jQueryInterface,e.fn[t].Constructor=c,e.fn[t].noConflict=function(){return e.fn[t]=i,c._jQueryInterface},c}(),Tt=function(){if("undefined"==typeof _t)throw new Error("Bootstrap tooltips require Popper.js (https://popper.js.org)");var t="tooltip",n=".bs.tooltip",i=e.fn[t],r=new 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focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip"},l={SHOW:"show",OUT:"out"},c={HIDE:"hide"+n,HIDDEN:"hidden"+n,SHOW:"show"+n,SHOWN:"shown"+n,INSERTED:"inserted"+n,CLICK:"click"+n,FOCUSIN:"focusin"+n,FOCUSOUT:"focusout"+n,MOUSEENTER:"mouseenter"+n,MOUSELEAVE:"mouseleave"+n},f={FADE:"fade",SHOW:"show"},h={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner",ARROW:".arrow"},u={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},d=function(){function i(t,e){this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._popper=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}var d=i.prototype;return d.enable=function(){this._isEnabled=!0},d.disable=function(){this._isEnabled=!1},d.toggleEnabled=function(){this._isEnabled=!this._isEnabled},d.toggle=function(t){if(this._isEnabled)if(t){var n=this.constructor.DATA_KEY,i=e(t.currentTarget).data(n);i||(i=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(e(this.getTipElement()).hasClass(f.SHOW))return void this._leave(null,this);this._enter(null,this)}},d.dispose=function(){clearTimeout(this._timeout),e.removeData(this.element,this.constructor.DATA_KEY),e(this.element).off(this.constructor.EVENT_KEY),e(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&e(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,null!==this._popper&&this._popper.destroy(),this._popper=null,this.element=null,this.config=null,this.tip=null},d.show=function(){var t=this;if("none"===e(this.element).css("display"))throw new Error("Please use show on visible elements");var n=e.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){e(this.element).trigger(n);var r=e.contains(this.element.ownerDocument.documentElement,this.element);if(n.isDefaultPrevented()||!r)return;var o=this.getTipElement(),s=X.getUID(this.constructor.NAME);o.setAttribute("id",s),this.element.setAttribute("aria-describedby",s),this.setContent(),this.config.animation&&e(o).addClass(f.FADE);var a="function"==typeof this.config.placement?this.config.placement.call(this,o,this.element):this.config.placement,c=this._getAttachment(a);this.addAttachmentClass(c);var u=!1===this.config.container?document.body:e(this.config.container);e(o).data(this.constructor.DATA_KEY,this),e.contains(this.element.ownerDocument.documentElement,this.tip)||e(o).appendTo(u),e(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new _t(this.element,o,{placement:c,modifiers:{offset:{offset:this.config.offset},flip:{behavior:this.config.fallbackPlacement},arrow:{element:h.ARROW}},onCreate:function(e){e.originalPlacement!==e.placement&&t._handlePopperPlacementChange(e)},onUpdate:function(e){t._handlePopperPlacementChange(e)}}),e(o).addClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().on("mouseover",null,e.noop);var d=function(){t.config.animation&&t._fixTransition();var n=t._hoverState;t._hoverState=null,e(t.element).trigger(t.constructor.Event.SHOWN),n===l.OUT&&t._leave(null,t)};X.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(this.tip).one(X.TRANSITION_END,d).emulateTransitionEnd(i._TRANSITION_DURATION):d()}},d.hide=function(t){var n=this,i=this.getTipElement(),r=e.Event(this.constructor.Event.HIDE),o=function(){n._hoverState!==l.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n._cleanTipClass(),n.element.removeAttribute("aria-describedby"),e(n.element).trigger(n.constructor.Event.HIDDEN),null!==n._popper&&n._popper.destroy(),t&&t()};e(this.element).trigger(r),r.isDefaultPrevented()||(e(i).removeClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),this._activeTrigger[u.CLICK]=!1,this._activeTrigger[u.FOCUS]=!1,this._activeTrigger[u.HOVER]=!1,X.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(i).one(X.TRANSITION_END,o).emulateTransitionEnd(150):o(),this._hoverState="")},d.update=function(){null!==this._popper&&this._popper.scheduleUpdate()},d.isWithContent=function(){return Boolean(this.getTitle())},d.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-tooltip-"+t)},d.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},d.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(h.TOOLTIP_INNER),this.getTitle()),t.removeClass(f.FADE+" "+f.SHOW)},d.setElementContent=function(t,n){var i=this.config.html;"object"==typeof n&&(n.nodeType||n.jquery)?i?e(n).parent().is(t)||t.empty().append(n):t.text(e(n).text()):t[i?"html":"text"](n)},d.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},d._getAttachment=function(t){return s[t.toUpperCase()]},d._setListeners=function(){var t=this;this.config.trigger.split(" ").forEach(function(n){if("click"===n)e(t.element).on(t.constructor.Event.CLICK,t.config.selector,function(e){return t.toggle(e)});else if(n!==u.MANUAL){var i=n===u.HOVER?t.constructor.Event.MOUSEENTER:t.constructor.Event.FOCUSIN,r=n===u.HOVER?t.constructor.Event.MOUSELEAVE:t.constructor.Event.FOCUSOUT;e(t.element).on(i,t.config.selector,function(e){return t._enter(e)}).on(r,t.config.selector,function(e){return t._leave(e)})}e(t.element).closest(".modal").on("hide.bs.modal",function(){return t.hide()})}),this.config.selector?this.config=e.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},d._fixTitle=function(){var t=typeof this.element.getAttribute("data-original-title");(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},d._enter=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusin"===t.type?u.FOCUS:u.HOVER]=!0),e(n.getTipElement()).hasClass(f.SHOW)||n._hoverState===l.SHOW?n._hoverState=l.SHOW:(clearTimeout(n._timeout),n._hoverState=l.SHOW,n.config.delay&&n.config.delay.show?n._timeout=setTimeout(function(){n._hoverState===l.SHOW&&n.show()},n.config.delay.show):n.show())},d._leave=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusout"===t.type?u.FOCUS:u.HOVER]=!1),n._isWithActiveTrigger()||(clearTimeout(n._timeout),n._hoverState=l.OUT,n.config.delay&&n.config.delay.hide?n._timeout=setTimeout(function(){n._hoverState===l.OUT&&n.hide()},n.config.delay.hide):n.hide())},d._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},d._getConfig=function(n){return"number"==typeof(n=e.extend({},this.constructor.Default,e(this.element).data(),n)).delay&&(n.delay={show:n.delay,hide:n.delay}),"number"==typeof n.title&&(n.title=n.title.toString()),"number"==typeof n.content&&(n.content=n.content.toString()),X.typeCheckConfig(t,n,this.constructor.DefaultType),n},d._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},d._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(r);null!==n&&n.length>0&&t.removeClass(n.join(""))},d._handlePopperPlacementChange=function(t){this._cleanTipClass(),this.addAttachmentClass(this._getAttachment(t.placement))},d._fixTransition=function(){var t=this.getTipElement(),n=this.config.animation;null===t.getAttribute("x-placement")&&(e(t).removeClass(f.FADE),this.config.animation=!1,this.hide(),this.show(),this.config.animation=n)},i._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.tooltip"),r="object"==typeof t&&t;if((n||!/dispose|hide/.test(t))&&(n||(n=new i(this,r),e(this).data("bs.tooltip",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},q(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return a}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.tooltip"}},{key:"Event",get:function(){return c}},{key:"EVENT_KEY",get:function(){return n}},{key:"DefaultType",get:function(){return o}}]),i}();return e.fn[t]=d._jQueryInterface,e.fn[t].Constructor=d,e.fn[t].noConflict=function(){return e.fn[t]=i,d._jQueryInterface},d}(),bt=function(){var t="popover",n=".bs.popover",i=e.fn[t],r=new RegExp("(^|\\s)bs-popover\\S+","g"),o=e.extend({},Tt.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-header"></h3><div class="popover-body"></div></div>'}),s=e.extend({},Tt.DefaultType,{content:"(string|element|function)"}),a={FADE:"fade",SHOW:"show"},l={TITLE:".popover-header",CONTENT:".popover-body"},c={HIDE:"hide"+n,HIDDEN:"hidden"+n,SHOW:"show"+n,SHOWN:"shown"+n,INSERTED:"inserted"+n,CLICK:"click"+n,FOCUSIN:"focusin"+n,FOCUSOUT:"focusout"+n,MOUSEENTER:"mouseenter"+n,MOUSELEAVE:"mouseleave"+n},f=function(i){function f(){return i.apply(this,arguments)||this}z(f,i);var h=f.prototype;return h.isWithContent=function(){return this.getTitle()||this._getContent()},h.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-popover-"+t)},h.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},h.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(l.TITLE),this.getTitle()),this.setElementContent(t.find(l.CONTENT),this._getContent()),t.removeClass(a.FADE+" "+a.SHOW)},h._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},h._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(r);null!==n&&n.length>0&&t.removeClass(n.join(""))},f._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.popover"),i="object"==typeof t?t:null;if((n||!/destroy|hide/.test(t))&&(n||(n=new f(this,i),e(this).data("bs.popover",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},q(f,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return o}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.popover"}},{key:"Event",get:function(){return c}},{key:"EVENT_KEY",get:function(){return n}},{key:"DefaultType",get:function(){return s}}]),f}(Tt);return e.fn[t]=f._jQueryInterface,e.fn[t].Constructor=f,e.fn[t].noConflict=function(){return e.fn[t]=i,f._jQueryInterface},f}(),Ct=function(){var t="scrollspy",n=e.fn[t],i={offset:10,method:"auto",target:""},r={offset:"number",method:"string",target:"(string|element)"},o={ACTIVATE:"activate.bs.scrollspy",SCROLL:"scroll.bs.scrollspy",LOAD_DATA_API:"load.bs.scrollspy.data-api"},s={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},a={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",NAV_LIST_GROUP:".nav, .list-group",NAV_LINKS:".nav-link",NAV_ITEMS:".nav-item",LIST_ITEMS:".list-group-item",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},l={OFFSET:"offset",POSITION:"position"},c=function(){function n(t,n){var i=this;this._element=t,this._scrollElement="BODY"===t.tagName?window:t,this._config=this._getConfig(n),this._selector=this._config.target+" "+a.NAV_LINKS+","+this._config.target+" "+a.LIST_ITEMS+","+this._config.target+" "+a.DROPDOWN_ITEMS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,e(this._scrollElement).on(o.SCROLL,function(t){return i._process(t)}),this.refresh(),this._process()}var c=n.prototype;return c.refresh=function(){var t=this,n=this._scrollElement!==this._scrollElement.window?l.POSITION:l.OFFSET,i="auto"===this._config.method?n:this._config.method,r=i===l.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight(),e.makeArray(e(this._selector)).map(function(t){var n,o=X.getSelectorFromElement(t);if(o&&(n=e(o)[0]),n){var s=n.getBoundingClientRect();if(s.width||s.height)return[e(n)[i]().top+r,o]}return null}).filter(function(t){return t}).sort(function(t,e){return t[0]-e[0]}).forEach(function(e){t._offsets.push(e[0]),t._targets.push(e[1])})},c.dispose=function(){e.removeData(this._element,"bs.scrollspy"),e(this._scrollElement).off(".bs.scrollspy"),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null},c._getConfig=function(n){if("string"!=typeof(n=e.extend({},i,n)).target){var o=e(n.target).attr("id");o||(o=X.getUID(t),e(n.target).attr("id",o)),n.target="#"+o}return X.typeCheckConfig(t,n,r),n},c._getScrollTop=function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop},c._getScrollHeight=function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)},c._getOffsetHeight=function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.getBoundingClientRect().height},c._process=function(){var t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];this._activeTarget!==i&&this._activate(i)}else{if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var r=this._offsets.length;r--;)this._activeTarget!==this._targets[r]&&t>=this._offsets[r]&&("undefined"==typeof this._offsets[r+1]||t<this._offsets[r+1])&&this._activate(this._targets[r])}},c._activate=function(t){this._activeTarget=t,this._clear();var n=this._selector.split(",");n=n.map(function(e){return e+'[data-target="'+t+'"],'+e+'[href="'+t+'"]'});var i=e(n.join(","));i.hasClass(s.DROPDOWN_ITEM)?(i.closest(a.DROPDOWN).find(a.DROPDOWN_TOGGLE).addClass(s.ACTIVE),i.addClass(s.ACTIVE)):(i.addClass(s.ACTIVE),i.parents(a.NAV_LIST_GROUP).prev(a.NAV_LINKS+", "+a.LIST_ITEMS).addClass(s.ACTIVE),i.parents(a.NAV_LIST_GROUP).prev(a.NAV_ITEMS).children(a.NAV_LINKS).addClass(s.ACTIVE)),e(this._scrollElement).trigger(o.ACTIVATE,{relatedTarget:t})},c._clear=function(){e(this._selector).filter(a.ACTIVE).removeClass(s.ACTIVE)},n._jQueryInterface=function(t){return this.each(function(){var i=e(this).data("bs.scrollspy"),r="object"==typeof t&&t;if(i||(i=new n(this,r),e(this).data("bs.scrollspy",i)),"string"==typeof t){if("undefined"==typeof i[t])throw new Error('No method named "'+t+'"');i[t]()}})},q(n,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return i}}]),n}();return e(window).on(o.LOAD_DATA_API,function(){for(var t=e.makeArray(e(a.DATA_SPY)),n=t.length;n--;){var i=e(t[n]);c._jQueryInterface.call(i,i.data())}}),e.fn[t]=c._jQueryInterface,e.fn[t].Constructor=c,e.fn[t].noConflict=function(){return e.fn[t]=n,c._jQueryInterface},c}(),At=function(){var t=e.fn.tab,n={HIDE:"hide.bs.tab",HIDDEN:"hidden.bs.tab",SHOW:"show.bs.tab",SHOWN:"shown.bs.tab",CLICK_DATA_API:"click.bs.tab.data-api"},i={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},r={DROPDOWN:".dropdown",NAV_LIST_GROUP:".nav, .list-group",ACTIVE:".active",ACTIVE_UL:"> li > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},o=function(){function t(t){this._element=t}var o=t.prototype;return o.show=function(){var t=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&e(this._element).hasClass(i.ACTIVE)||e(this._element).hasClass(i.DISABLED))){var o,s,a=e(this._element).closest(r.NAV_LIST_GROUP)[0],l=X.getSelectorFromElement(this._element);if(a){var c="UL"===a.nodeName?r.ACTIVE_UL:r.ACTIVE;s=e.makeArray(e(a).find(c)),s=s[s.length-1]}var f=e.Event(n.HIDE,{relatedTarget:this._element}),h=e.Event(n.SHOW,{relatedTarget:s});if(s&&e(s).trigger(f),e(this._element).trigger(h),!h.isDefaultPrevented()&&!f.isDefaultPrevented()){l&&(o=e(l)[0]),this._activate(this._element,a);var u=function(){var i=e.Event(n.HIDDEN,{relatedTarget:t._element}),r=e.Event(n.SHOWN,{relatedTarget:s});e(s).trigger(i),e(t._element).trigger(r)};o?this._activate(o,o.parentNode,u):u()}}},o.dispose=function(){e.removeData(this._element,"bs.tab"),this._element=null},o._activate=function(t,n,o){var s,a=this,l=(s="UL"===n.nodeName?e(n).find(r.ACTIVE_UL):e(n).children(r.ACTIVE))[0],c=o&&X.supportsTransitionEnd()&&l&&e(l).hasClass(i.FADE),f=function(){return a._transitionComplete(t,l,c,o)};l&&c?e(l).one(X.TRANSITION_END,f).emulateTransitionEnd(150):f(),l&&e(l).removeClass(i.SHOW)},o._transitionComplete=function(t,n,o,s){if(n){e(n).removeClass(i.ACTIVE);var a=e(n.parentNode).find(r.DROPDOWN_ACTIVE_CHILD)[0];a&&e(a).removeClass(i.ACTIVE),"tab"===n.getAttribute("role")&&n.setAttribute("aria-selected",!1)}if(e(t).addClass(i.ACTIVE),"tab"===t.getAttribute("role")&&t.setAttribute("aria-selected",!0),o?(X.reflow(t),e(t).addClass(i.SHOW)):e(t).removeClass(i.FADE),t.parentNode&&e(t.parentNode).hasClass(i.DROPDOWN_MENU)){var l=e(t).closest(r.DROPDOWN)[0];l&&e(l).find(r.DROPDOWN_TOGGLE).addClass(i.ACTIVE),t.setAttribute("aria-expanded",!0)}s&&s()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),r=i.data("bs.tab");if(r||(r=new t(this),i.data("bs.tab",r)),"string"==typeof n){if("undefined"==typeof r[n])throw new Error('No method named "'+n+'"');r[n]()}})},q(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}}]),t}();return e(document).on(n.CLICK_DATA_API,r.DATA_TOGGLE,function(t){t.preventDefault(),o._jQueryInterface.call(e(this),"show")}),e.fn.tab=o._jQueryInterface,e.fn.tab.Constructor=o,e.fn.tab.noConflict=function(){return e.fn.tab=t,o._jQueryInterface},o}();return function(){if("undefined"==typeof e)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var t=e.fn.jquery.split(" ")[0].split(".");if(t[0]<2&&t[1]<9||1===t[0]&&9===t[1]&&t[2]<1||t[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(),t.Util=X,t.Alert=Z,t.Button=J,t.Carousel=$,t.Collapse=tt,t.Dropdown=vt,t.Modal=Et,t.Popover=bt,t.Scrollspy=Ct,t.Tab=At,t.Tooltip=Tt,t}({},$);
+//# sourceMappingURL=bootstrap.bundle.min.js.map
\ No newline at end of file
diff --git a/dist/js/bootstrap.bundle.min.js.map b/dist/js/bootstrap.bundle.min.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..0b513b605d8298edcd7869d4ba3c73422a62f703
Binary files /dev/null and b/dist/js/bootstrap.bundle.min.js.map differ
diff --git a/dist/js/bootstrap.js b/dist/js/bootstrap.js
index 27e2316688ed37cd1bec130cdcbff7aa50e59acf..630a9e019572b0915f1fb9d7852f5b1245db7200 100644
--- a/dist/js/bootstrap.js
+++ b/dist/js/bootstrap.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
   * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
@@ -11,7 +11,7 @@ Popper = Popper && Popper.hasOwnProperty('default') ? Popper['default'] : Popper
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -180,7 +180,7 @@ var inheritsLoose = _inheritsLoose;
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -192,7 +192,7 @@ var Alert = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'alert';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -352,7 +352,7 @@ var Alert = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -364,7 +364,7 @@ var Button = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'button';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -515,7 +515,7 @@ var Button = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -527,7 +527,7 @@ var Carousel = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'carousel';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1015,7 +1015,7 @@ var Carousel = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1027,7 +1027,7 @@ var Collapse = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'collapse';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1382,7 +1382,7 @@ var Collapse = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1403,7 +1403,7 @@ var Dropdown = function () {
 
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1821,7 +1821,7 @@ var Dropdown = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1833,7 +1833,7 @@ var Modal = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'modal';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -2397,7 +2397,7 @@ var Modal = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -2418,7 +2418,7 @@ var Tooltip = function () {
 
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3058,7 +3058,7 @@ var Tooltip = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3070,7 +3070,7 @@ var Popover = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'popover';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3244,7 +3244,7 @@ var Popover = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3256,7 +3256,7 @@ var ScrollSpy = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -3555,7 +3555,7 @@ var ScrollSpy = function () {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3567,7 +3567,7 @@ var Tab = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'tab';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -3821,11 +3821,14 @@ var Tab = function () {
   }
 
   var version = $.fn.jquery.split(' ')[0].split('.');
-  var min = 3;
-  var max = 4;
-
-  if (version[0] < min || version[0] >= max) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  var minMajor = 1;
+  var ltMajor = 2;
+  var minMinor = 9;
+  var minPatch = 1;
+  var maxMajor = 4;
+
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
   }
 })($);
 
@@ -3844,3 +3847,4 @@ exports.Tooltip = Tooltip;
 return exports;
 
 }({},$,Popper));
+//# sourceMappingURL=bootstrap.js.map
diff --git a/dist/js/bootstrap.js.map b/dist/js/bootstrap.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..ee14a1d3100b54c2a72f826ec96ba47aa69439f5
Binary files /dev/null and b/dist/js/bootstrap.js.map differ
diff --git a/dist/js/bootstrap.min.js b/dist/js/bootstrap.min.js
index e9a0cefbc60da281496d811a58f8b6a3ee1519af..27aace31385412ba3f7e3331ed5d552ea3a7acd2 100644
--- a/dist/js/bootstrap.min.js
+++ b/dist/js/bootstrap.min.js
@@ -1,6 +1,7 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
   * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
-var bootstrap=function(t,e,n){"use strict";function i(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}e=e&&e.hasOwnProperty("default")?e.default:e,n=n&&n.hasOwnProperty("default")?n.default:n;var s=function(){function t(t){return{}.toString.call(t).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function n(){return{bindType:r.end,delegateType:r.end,handle:function(t){if(e(t.target).is(this))return t.handleObj.handler.apply(this,arguments)}}}function i(){if(window.QUnit)return!1;var t=document.createElement("bootstrap");for(var e in o)if("undefined"!=typeof t.style[e])return{end:o[e]};return!1}function s(t){var n=this,i=!1;return e(this).one(a.TRANSITION_END,function(){i=!0}),setTimeout(function(){i||a.triggerTransitionEnd(n)},t),this}var r=!1,o={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},a={TRANSITION_END:"bsTransitionEnd",getUID:function(t){do{t+=~~(1e6*Math.random())}while(document.getElementById(t));return t},getSelectorFromElement:function(t){var n=t.getAttribute("data-target");n&&"#"!==n||(n=t.getAttribute("href")||"");try{return e(document).find(n).length>0?n:null}catch(t){return null}},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(t){e(t).trigger(r.end)},supportsTransitionEnd:function(){return Boolean(r)},isElement:function(t){return(t[0]||t).nodeType},typeCheckConfig:function(e,n,i){for(var s in i)if(Object.prototype.hasOwnProperty.call(i,s)){var r=i[s],o=n[s],l=o&&a.isElement(o)?"element":t(o);if(!new RegExp(r).test(l))throw new Error(e.toUpperCase()+': Option "'+s+'" provided type "'+l+'" but expected type "'+r+'".')}}};return r=i(),e.fn.emulateTransitionEnd=s,a.supportsTransitionEnd()&&(e.event.special[a.TRANSITION_END]=n()),a}(),r=function(t,e,n){return e&&i(t.prototype,e),n&&i(t,n),t},o=function(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e},a=function(){var t="alert",n=e.fn[t],i={DISMISS:'[data-dismiss="alert"]'},o={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",CLICK_DATA_API:"click.bs.alert.data-api"},a={ALERT:"alert",FADE:"fade",SHOW:"show"},l=function(){function t(t){this._element=t}var n=t.prototype;return n.close=function(t){t=t||this._element;var e=this._getRootElement(t);this._triggerCloseEvent(e).isDefaultPrevented()||this._removeElement(e)},n.dispose=function(){e.removeData(this._element,"bs.alert"),this._element=null},n._getRootElement=function(t){var n=s.getSelectorFromElement(t),i=!1;return n&&(i=e(n)[0]),i||(i=e(t).closest("."+a.ALERT)[0]),i},n._triggerCloseEvent=function(t){var n=e.Event(o.CLOSE);return e(t).trigger(n),n},n._removeElement=function(t){var n=this;e(t).removeClass(a.SHOW),s.supportsTransitionEnd()&&e(t).hasClass(a.FADE)?e(t).one(s.TRANSITION_END,function(e){return n._destroyElement(t,e)}).emulateTransitionEnd(150):this._destroyElement(t)},n._destroyElement=function(t){e(t).detach().trigger(o.CLOSED).remove()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.alert");s||(s=new t(this),i.data("bs.alert",s)),"close"===n&&s[n](this)})},t._handleDismiss=function(t){return function(e){e&&e.preventDefault(),t.close(this)}},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return e(document).on(o.CLICK_DATA_API,i.DISMISS,l._handleDismiss(new l)),e.fn[t]=l._jQueryInterface,e.fn[t].Constructor=l,e.fn[t].noConflict=function(){return e.fn[t]=n,l._jQueryInterface},l}(),l=function(){var t="button",n=e.fn[t],i={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},s={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},o={CLICK_DATA_API:"click.bs.button.data-api",FOCUS_BLUR_DATA_API:"focus.bs.button.data-api blur.bs.button.data-api"},a=function(){function t(t){this._element=t}var n=t.prototype;return n.toggle=function(){var t=!0,n=!0,r=e(this._element).closest(s.DATA_TOGGLE)[0];if(r){var o=e(this._element).find(s.INPUT)[0];if(o){if("radio"===o.type)if(o.checked&&e(this._element).hasClass(i.ACTIVE))t=!1;else{var a=e(r).find(s.ACTIVE)[0];a&&e(a).removeClass(i.ACTIVE)}if(t){if(o.hasAttribute("disabled")||r.hasAttribute("disabled")||o.classList.contains("disabled")||r.classList.contains("disabled"))return;o.checked=!e(this._element).hasClass(i.ACTIVE),e(o).trigger("change")}o.focus(),n=!1}}n&&this._element.setAttribute("aria-pressed",!e(this._element).hasClass(i.ACTIVE)),t&&e(this._element).toggleClass(i.ACTIVE)},n.dispose=function(){e.removeData(this._element,"bs.button"),this._element=null},t._jQueryInterface=function(n){return this.each(function(){var i=e(this).data("bs.button");i||(i=new t(this),e(this).data("bs.button",i)),"toggle"===n&&i[n]()})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return e(document).on(o.CLICK_DATA_API,s.DATA_TOGGLE_CARROT,function(t){t.preventDefault();var n=t.target;e(n).hasClass(i.BUTTON)||(n=e(n).closest(s.BUTTON)),a._jQueryInterface.call(e(n),"toggle")}).on(o.FOCUS_BLUR_DATA_API,s.DATA_TOGGLE_CARROT,function(t){var n=e(t.target).closest(s.BUTTON)[0];e(n).toggleClass(i.FOCUS,/^focus(in)?$/.test(t.type))}),e.fn[t]=a._jQueryInterface,e.fn[t].Constructor=a,e.fn[t].noConflict=function(){return e.fn[t]=n,a._jQueryInterface},a}(),h=function(){var t="carousel",n="bs.carousel",i="."+n,o=e.fn[t],a={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},l={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},h={NEXT:"next",PREV:"prev",LEFT:"left",RIGHT:"right"},c={SLIDE:"slide"+i,SLID:"slid"+i,KEYDOWN:"keydown"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i,TOUCHEND:"touchend"+i,LOAD_DATA_API:"load.bs.carousel.data-api",CLICK_DATA_API:"click.bs.carousel.data-api"},u={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"carousel-item-right",LEFT:"carousel-item-left",NEXT:"carousel-item-next",PREV:"carousel-item-prev",ITEM:"carousel-item"},d={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".carousel-item-next, .carousel-item-prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},f=function(){function o(t,n){this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this.touchTimeout=null,this._config=this._getConfig(n),this._element=e(t)[0],this._indicatorsElement=e(this._element).find(d.INDICATORS)[0],this._addEventListeners()}var f=o.prototype;return f.next=function(){this._isSliding||this._slide(h.NEXT)},f.nextWhenVisible=function(){!document.hidden&&e(this._element).is(":visible")&&"hidden"!==e(this._element).css("visibility")&&this.next()},f.prev=function(){this._isSliding||this._slide(h.PREV)},f.pause=function(t){t||(this._isPaused=!0),e(this._element).find(d.NEXT_PREV)[0]&&s.supportsTransitionEnd()&&(s.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},f.cycle=function(t){t||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))},f.to=function(t){var n=this;this._activeElement=e(this._element).find(d.ACTIVE_ITEM)[0];var i=this._getItemIndex(this._activeElement);if(!(t>this._items.length-1||t<0))if(this._isSliding)e(this._element).one(c.SLID,function(){return n.to(t)});else{if(i===t)return this.pause(),void this.cycle();var s=t>i?h.NEXT:h.PREV;this._slide(s,this._items[t])}},f.dispose=function(){e(this._element).off(i),e.removeData(this._element,n),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},f._getConfig=function(n){return n=e.extend({},a,n),s.typeCheckConfig(t,n,l),n},f._addEventListeners=function(){var t=this;this._config.keyboard&&e(this._element).on(c.KEYDOWN,function(e){return t._keydown(e)}),"hover"===this._config.pause&&(e(this._element).on(c.MOUSEENTER,function(e){return t.pause(e)}).on(c.MOUSELEAVE,function(e){return t.cycle(e)}),"ontouchstart"in document.documentElement&&e(this._element).on(c.TOUCHEND,function(){t.pause(),t.touchTimeout&&clearTimeout(t.touchTimeout),t.touchTimeout=setTimeout(function(e){return t.cycle(e)},500+t._config.interval)}))},f._keydown=function(t){if(!/input|textarea/i.test(t.target.tagName))switch(t.which){case 37:t.preventDefault(),this.prev();break;case 39:t.preventDefault(),this.next();break;default:return}},f._getItemIndex=function(t){return this._items=e.makeArray(e(t).parent().find(d.ITEM)),this._items.indexOf(t)},f._getItemByDirection=function(t,e){var n=t===h.NEXT,i=t===h.PREV,s=this._getItemIndex(e),r=this._items.length-1;if((i&&0===s||n&&s===r)&&!this._config.wrap)return e;var o=(s+(t===h.PREV?-1:1))%this._items.length;return-1===o?this._items[this._items.length-1]:this._items[o]},f._triggerSlideEvent=function(t,n){var i=this._getItemIndex(t),s=this._getItemIndex(e(this._element).find(d.ACTIVE_ITEM)[0]),r=e.Event(c.SLIDE,{relatedTarget:t,direction:n,from:s,to:i});return e(this._element).trigger(r),r},f._setActiveIndicatorElement=function(t){if(this._indicatorsElement){e(this._indicatorsElement).find(d.ACTIVE).removeClass(u.ACTIVE);var n=this._indicatorsElement.children[this._getItemIndex(t)];n&&e(n).addClass(u.ACTIVE)}},f._slide=function(t,n){var i,r,o,a=this,l=e(this._element).find(d.ACTIVE_ITEM)[0],f=this._getItemIndex(l),_=n||l&&this._getItemByDirection(t,l),g=this._getItemIndex(_),m=Boolean(this._interval);if(t===h.NEXT?(i=u.LEFT,r=u.NEXT,o=h.LEFT):(i=u.RIGHT,r=u.PREV,o=h.RIGHT),_&&e(_).hasClass(u.ACTIVE))this._isSliding=!1;else if(!this._triggerSlideEvent(_,o).isDefaultPrevented()&&l&&_){this._isSliding=!0,m&&this.pause(),this._setActiveIndicatorElement(_);var p=e.Event(c.SLID,{relatedTarget:_,direction:o,from:f,to:g});s.supportsTransitionEnd()&&e(this._element).hasClass(u.SLIDE)?(e(_).addClass(r),s.reflow(_),e(l).addClass(i),e(_).addClass(i),e(l).one(s.TRANSITION_END,function(){e(_).removeClass(i+" "+r).addClass(u.ACTIVE),e(l).removeClass(u.ACTIVE+" "+r+" "+i),a._isSliding=!1,setTimeout(function(){return e(a._element).trigger(p)},0)}).emulateTransitionEnd(600)):(e(l).removeClass(u.ACTIVE),e(_).addClass(u.ACTIVE),this._isSliding=!1,e(this._element).trigger(p)),m&&this.cycle()}},o._jQueryInterface=function(t){return this.each(function(){var i=e(this).data(n),s=e.extend({},a,e(this).data());"object"==typeof t&&e.extend(s,t);var r="string"==typeof t?t:s.slide;if(i||(i=new o(this,s),e(this).data(n,i)),"number"==typeof t)i.to(t);else if("string"==typeof r){if("undefined"==typeof i[r])throw new Error('No method named "'+r+'"');i[r]()}else s.interval&&(i.pause(),i.cycle())})},o._dataApiClickHandler=function(t){var i=s.getSelectorFromElement(this);if(i){var r=e(i)[0];if(r&&e(r).hasClass(u.CAROUSEL)){var a=e.extend({},e(r).data(),e(this).data()),l=this.getAttribute("data-slide-to");l&&(a.interval=!1),o._jQueryInterface.call(e(r),a),l&&e(r).data(n).to(l),t.preventDefault()}}},r(o,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return a}}]),o}();return e(document).on(c.CLICK_DATA_API,d.DATA_SLIDE,f._dataApiClickHandler),e(window).on(c.LOAD_DATA_API,function(){e(d.DATA_RIDE).each(function(){var t=e(this);f._jQueryInterface.call(t,t.data())})}),e.fn[t]=f._jQueryInterface,e.fn[t].Constructor=f,e.fn[t].noConflict=function(){return e.fn[t]=o,f._jQueryInterface},f}(),c=function(){var t="collapse",n="bs.collapse",i=e.fn[t],o={toggle:!0,parent:""},a={toggle:"boolean",parent:"(string|element)"},l={SHOW:"show.bs.collapse",SHOWN:"shown.bs.collapse",HIDE:"hide.bs.collapse",HIDDEN:"hidden.bs.collapse",CLICK_DATA_API:"click.bs.collapse.data-api"},h={SHOW:"show",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},c={WIDTH:"width",HEIGHT:"height"},u={ACTIVES:".show, .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},d=function(){function i(t,n){this._isTransitioning=!1,this._element=t,this._config=this._getConfig(n),this._triggerArray=e.makeArray(e('[data-toggle="collapse"][href="#'+t.id+'"],[data-toggle="collapse"][data-target="#'+t.id+'"]'));for(var i=e(u.DATA_TOGGLE),r=0;r<i.length;r++){var o=i[r],a=s.getSelectorFromElement(o);null!==a&&e(a).filter(t).length>0&&this._triggerArray.push(o)}this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}var d=i.prototype;return d.toggle=function(){e(this._element).hasClass(h.SHOW)?this.hide():this.show()},d.show=function(){var t=this;if(!this._isTransitioning&&!e(this._element).hasClass(h.SHOW)){var r,o;if(this._parent&&((r=e.makeArray(e(this._parent).children().children(u.ACTIVES))).length||(r=null)),!(r&&(o=e(r).data(n))&&o._isTransitioning)){var a=e.Event(l.SHOW);if(e(this._element).trigger(a),!a.isDefaultPrevented()){r&&(i._jQueryInterface.call(e(r),"hide"),o||e(r).data(n,null));var c=this._getDimension();e(this._element).removeClass(h.COLLAPSE).addClass(h.COLLAPSING),this._element.style[c]=0,this._triggerArray.length&&e(this._triggerArray).removeClass(h.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var d=function(){e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).addClass(h.SHOW),t._element.style[c]="",t.setTransitioning(!1),e(t._element).trigger(l.SHOWN)};if(s.supportsTransitionEnd()){var f="scroll"+(c[0].toUpperCase()+c.slice(1));e(this._element).one(s.TRANSITION_END,d).emulateTransitionEnd(600),this._element.style[c]=this._element[f]+"px"}else d()}}}},d.hide=function(){var t=this;if(!this._isTransitioning&&e(this._element).hasClass(h.SHOW)){var n=e.Event(l.HIDE);if(e(this._element).trigger(n),!n.isDefaultPrevented()){var i=this._getDimension();if(this._element.style[i]=this._element.getBoundingClientRect()[i]+"px",s.reflow(this._element),e(this._element).addClass(h.COLLAPSING).removeClass(h.COLLAPSE).removeClass(h.SHOW),this._triggerArray.length)for(var r=0;r<this._triggerArray.length;r++){var o=this._triggerArray[r],a=s.getSelectorFromElement(o);null!==a&&(e(a).hasClass(h.SHOW)||e(o).addClass(h.COLLAPSED).attr("aria-expanded",!1))}this.setTransitioning(!0);var c=function(){t.setTransitioning(!1),e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).trigger(l.HIDDEN)};this._element.style[i]="",s.supportsTransitionEnd()?e(this._element).one(s.TRANSITION_END,c).emulateTransitionEnd(600):c()}}},d.setTransitioning=function(t){this._isTransitioning=t},d.dispose=function(){e.removeData(this._element,n),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},d._getConfig=function(n){return n=e.extend({},o,n),n.toggle=Boolean(n.toggle),s.typeCheckConfig(t,n,a),n},d._getDimension=function(){return e(this._element).hasClass(c.WIDTH)?c.WIDTH:c.HEIGHT},d._getParent=function(){var t=this,n=null;s.isElement(this._config.parent)?(n=this._config.parent,"undefined"!=typeof this._config.parent.jquery&&(n=this._config.parent[0])):n=e(this._config.parent)[0];var r='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return e(n).find(r).each(function(e,n){t._addAriaAndCollapsedClass(i._getTargetFromElement(n),[n])}),n},d._addAriaAndCollapsedClass=function(t,n){if(t){var i=e(t).hasClass(h.SHOW);n.length&&e(n).toggleClass(h.COLLAPSED,!i).attr("aria-expanded",i)}},i._getTargetFromElement=function(t){var n=s.getSelectorFromElement(t);return n?e(n)[0]:null},i._jQueryInterface=function(t){return this.each(function(){var s=e(this),r=s.data(n),a=e.extend({},o,s.data(),"object"==typeof t&&t);if(!r&&a.toggle&&/show|hide/.test(t)&&(a.toggle=!1),r||(r=new i(this,a),s.data(n,r)),"string"==typeof t){if("undefined"==typeof r[t])throw new Error('No method named "'+t+'"');r[t]()}})},r(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return o}}]),i}();return e(document).on(l.CLICK_DATA_API,u.DATA_TOGGLE,function(t){"A"===t.currentTarget.tagName&&t.preventDefault();var i=e(this),r=s.getSelectorFromElement(this);e(r).each(function(){var t=e(this),s=t.data(n)?"toggle":i.data();d._jQueryInterface.call(t,s)})}),e.fn[t]=d._jQueryInterface,e.fn[t].Constructor=d,e.fn[t].noConflict=function(){return e.fn[t]=i,d._jQueryInterface},d}(),u=function(){if("undefined"==typeof n)throw new Error("Bootstrap dropdown require Popper.js (https://popper.js.org)");var t="dropdown",i="bs.dropdown",o="."+i,a=e.fn[t],l=new RegExp("38|40|27"),h={HIDE:"hide"+o,HIDDEN:"hidden"+o,SHOW:"show"+o,SHOWN:"shown"+o,CLICK:"click"+o,CLICK_DATA_API:"click.bs.dropdown.data-api",KEYDOWN_DATA_API:"keydown.bs.dropdown.data-api",KEYUP_DATA_API:"keyup.bs.dropdown.data-api"},c={DISABLED:"disabled",SHOW:"show",DROPUP:"dropup",MENURIGHT:"dropdown-menu-right",MENULEFT:"dropdown-menu-left"},u={DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",MENU:".dropdown-menu",NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:".dropdown-menu .dropdown-item:not(.disabled)"},d={TOP:"top-start",TOPEND:"top-end",BOTTOM:"bottom-start",BOTTOMEND:"bottom-end"},f={offset:0,flip:!0},_={offset:"(number|string|function)",flip:"boolean"},g=function(){function a(t,e){this._element=t,this._popper=null,this._config=this._getConfig(e),this._menu=this._getMenuElement(),this._inNavbar=this._detectNavbar(),this._addEventListeners()}var g=a.prototype;return g.toggle=function(){if(!this._element.disabled&&!e(this._element).hasClass(c.DISABLED)){var t=a._getParentFromElement(this._element),i=e(this._menu).hasClass(c.SHOW);if(a._clearMenus(),!i){var s={relatedTarget:this._element},r=e.Event(h.SHOW,s);if(e(t).trigger(r),!r.isDefaultPrevented()){var o=this._element;e(t).hasClass(c.DROPUP)&&(e(this._menu).hasClass(c.MENULEFT)||e(this._menu).hasClass(c.MENURIGHT))&&(o=t),this._popper=new n(o,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(u.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(c.SHOW),e(t).toggleClass(c.SHOW).trigger(e.Event(h.SHOWN,s))}}}},g.dispose=function(){e.removeData(this._element,i),e(this._element).off(o),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},g.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},g._addEventListeners=function(){var t=this;e(this._element).on(h.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},g._getConfig=function(n){return n=e.extend({},this.constructor.Default,e(this._element).data(),n),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},g._getMenuElement=function(){if(!this._menu){var t=a._getParentFromElement(this._element);this._menu=e(t).find(u.MENU)[0]}return this._menu},g._getPlacement=function(){var t=e(this._element).parent(),n=d.BOTTOM;return t.hasClass(c.DROPUP)?(n=d.TOP,e(this._menu).hasClass(c.MENURIGHT)&&(n=d.TOPEND)):e(this._menu).hasClass(c.MENURIGHT)&&(n=d.BOTTOMEND),n},g._detectNavbar=function(){return e(this._element).closest(".navbar").length>0},g._getPopperConfig=function(){var t=this,n={};"function"==typeof this._config.offset?n.fn=function(n){return n.offsets=e.extend({},n.offsets,t._config.offset(n.offsets)||{}),n}:n.offset=this._config.offset;var i={placement:this._getPlacement(),modifiers:{offset:n,flip:{enabled:this._config.flip}}};return this._inNavbar&&(i.modifiers.applyStyle={enabled:!this._inNavbar}),i},a._jQueryInterface=function(t){return this.each(function(){var n=e(this).data(i),s="object"==typeof t?t:null;if(n||(n=new a(this,s),e(this).data(i,n)),"string"==typeof t){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},a._clearMenus=function(t){if(!t||3!==t.which&&("keyup"!==t.type||9===t.which))for(var n=e.makeArray(e(u.DATA_TOGGLE)),s=0;s<n.length;s++){var r=a._getParentFromElement(n[s]),o=e(n[s]).data(i),l={relatedTarget:n[s]};if(o){var d=o._menu;if(e(r).hasClass(c.SHOW)&&!(t&&("click"===t.type&&/input|textarea/i.test(t.target.tagName)||"keyup"===t.type&&9===t.which)&&e.contains(r,t.target))){var f=e.Event(h.HIDE,l);e(r).trigger(f),f.isDefaultPrevented()||("ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),n[s].setAttribute("aria-expanded","false"),e(d).removeClass(c.SHOW),e(r).removeClass(c.SHOW).trigger(e.Event(h.HIDDEN,l)))}}}},a._getParentFromElement=function(t){var n,i=s.getSelectorFromElement(t);return i&&(n=e(i)[0]),n||t.parentNode},a._dataApiKeydownHandler=function(t){if(!(!l.test(t.which)||/button/i.test(t.target.tagName)&&32===t.which||/input|textarea/i.test(t.target.tagName)||(t.preventDefault(),t.stopPropagation(),this.disabled||e(this).hasClass(c.DISABLED)))){var n=a._getParentFromElement(this),i=e(n).hasClass(c.SHOW);if((i||27===t.which&&32===t.which)&&(!i||27!==t.which&&32!==t.which)){var s=e(n).find(u.VISIBLE_ITEMS).get();if(s.length){var r=s.indexOf(t.target);38===t.which&&r>0&&r--,40===t.which&&r<s.length-1&&r++,r<0&&(r=0),s[r].focus()}}else{if(27===t.which){var o=e(n).find(u.DATA_TOGGLE)[0];e(o).trigger("focus")}e(this).trigger("click")}}},r(a,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return f}},{key:"DefaultType",get:function(){return _}}]),a}();return e(document).on(h.KEYDOWN_DATA_API,u.DATA_TOGGLE,g._dataApiKeydownHandler).on(h.KEYDOWN_DATA_API,u.MENU,g._dataApiKeydownHandler).on(h.CLICK_DATA_API+" "+h.KEYUP_DATA_API,g._clearMenus).on(h.CLICK_DATA_API,u.DATA_TOGGLE,function(t){t.preventDefault(),t.stopPropagation(),g._jQueryInterface.call(e(this),"toggle")}).on(h.CLICK_DATA_API,u.FORM_CHILD,function(t){t.stopPropagation()}),e.fn[t]=g._jQueryInterface,e.fn[t].Constructor=g,e.fn[t].noConflict=function(){return e.fn[t]=a,g._jQueryInterface},g}(),d=function(){var t="modal",n=".bs.modal",i=e.fn[t],o={backdrop:!0,keyboard:!0,focus:!0,show:!0},a={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},l={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},h={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},c={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",STICKY_CONTENT:".sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},u=function(){function i(t,n){this._config=this._getConfig(n),this._element=t,this._dialog=e(t).find(c.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}var u=i.prototype;return u.toggle=function(t){return this._isShown?this.hide():this.show(t)},u.show=function(t){var n=this;if(!this._isTransitioning&&!this._isShown){s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)&&(this._isTransitioning=!0);var i=e.Event(l.SHOW,{relatedTarget:t});e(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),e(document.body).addClass(h.OPEN),this._setEscapeEvent(),this._setResizeEvent(),e(this._element).on(l.CLICK_DISMISS,c.DATA_DISMISS,function(t){return n.hide(t)}),e(this._dialog).on(l.MOUSEDOWN_DISMISS,function(){e(n._element).one(l.MOUSEUP_DISMISS,function(t){e(t.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(t)}))}},u.hide=function(t){var n=this;if(t&&t.preventDefault(),!this._isTransitioning&&this._isShown){var i=e.Event(l.HIDE);if(e(this._element).trigger(i),this._isShown&&!i.isDefaultPrevented()){this._isShown=!1;var r=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);r&&(this._isTransitioning=!0),this._setEscapeEvent(),this._setResizeEvent(),e(document).off(l.FOCUSIN),e(this._element).removeClass(h.SHOW),e(this._element).off(l.CLICK_DISMISS),e(this._dialog).off(l.MOUSEDOWN_DISMISS),r?e(this._element).one(s.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal()}}},u.dispose=function(){e.removeData(this._element,"bs.modal"),e(window,document,this._element,this._backdrop).off(n),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},u.handleUpdate=function(){this._adjustDialog()},u._getConfig=function(n){return n=e.extend({},o,n),s.typeCheckConfig(t,n,a),n},u._showElement=function(t){var n=this,i=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&s.reflow(this._element),e(this._element).addClass(h.SHOW),this._config.focus&&this._enforceFocus();var r=e.Event(l.SHOWN,{relatedTarget:t}),o=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,e(n._element).trigger(r)};i?e(this._dialog).one(s.TRANSITION_END,o).emulateTransitionEnd(300):o()},u._enforceFocus=function(){var t=this;e(document).off(l.FOCUSIN).on(l.FOCUSIN,function(n){document===n.target||t._element===n.target||e(t._element).has(n.target).length||t._element.focus()})},u._setEscapeEvent=function(){var t=this;this._isShown&&this._config.keyboard?e(this._element).on(l.KEYDOWN_DISMISS,function(e){27===e.which&&(e.preventDefault(),t.hide())}):this._isShown||e(this._element).off(l.KEYDOWN_DISMISS)},u._setResizeEvent=function(){var t=this;this._isShown?e(window).on(l.RESIZE,function(e){return t.handleUpdate(e)}):e(window).off(l.RESIZE)},u._hideModal=function(){var t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(h.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(l.HIDDEN)})},u._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},u._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(h.FADE)?h.FADE:"";if(this._isShown&&this._config.backdrop){var r=s.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=h.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(l.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&s.reflow(this._backdrop),e(this._backdrop).addClass(h.SHOW),!t)return;if(!r)return void t();e(this._backdrop).one(s.TRANSITION_END,t).emulateTransitionEnd(150)}else if(!this._isShown&&this._backdrop){e(this._backdrop).removeClass(h.SHOW);var o=function(){n._removeBackdrop(),t&&t()};s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)?e(this._backdrop).one(s.TRANSITION_END,o).emulateTransitionEnd(150):o()}else t&&t()},u._adjustDialog=function(){var t=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&t&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!t&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},u._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},u._checkScrollbar=function(){var t=document.body.getBoundingClientRect();this._isBodyOverflowing=t.left+t.right<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},u._setScrollbar=function(){var t=this;if(this._isBodyOverflowing){e(c.FIXED_CONTENT).each(function(n,i){var s=e(i)[0].style.paddingRight,r=e(i).css("padding-right");e(i).data("padding-right",s).css("padding-right",parseFloat(r)+t._scrollbarWidth+"px")}),e(c.STICKY_CONTENT).each(function(n,i){var s=e(i)[0].style.marginRight,r=e(i).css("margin-right");e(i).data("margin-right",s).css("margin-right",parseFloat(r)-t._scrollbarWidth+"px")}),e(c.NAVBAR_TOGGLER).each(function(n,i){var s=e(i)[0].style.marginRight,r=e(i).css("margin-right");e(i).data("margin-right",s).css("margin-right",parseFloat(r)+t._scrollbarWidth+"px")});var n=document.body.style.paddingRight,i=e("body").css("padding-right");e("body").data("padding-right",n).css("padding-right",parseFloat(i)+this._scrollbarWidth+"px")}},u._resetScrollbar=function(){e(c.FIXED_CONTENT).each(function(t,n){var i=e(n).data("padding-right");"undefined"!=typeof i&&e(n).css("padding-right",i).removeData("padding-right")}),e(c.STICKY_CONTENT+", "+c.NAVBAR_TOGGLER).each(function(t,n){var i=e(n).data("margin-right");"undefined"!=typeof i&&e(n).css("margin-right",i).removeData("margin-right")});var t=e("body").data("padding-right");"undefined"!=typeof t&&e("body").css("padding-right",t).removeData("padding-right")},u._getScrollbarWidth=function(){var t=document.createElement("div");t.className=h.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.getBoundingClientRect().width-t.clientWidth;return document.body.removeChild(t),e},i._jQueryInterface=function(t,n){return this.each(function(){var s=e(this).data("bs.modal"),r=e.extend({},i.Default,e(this).data(),"object"==typeof t&&t);if(s||(s=new i(this,r),e(this).data("bs.modal",s)),"string"==typeof t){if("undefined"==typeof s[t])throw new Error('No method named "'+t+'"');s[t](n)}else r.show&&s.show(n)})},r(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return o}}]),i}();return e(document).on(l.CLICK_DATA_API,c.DATA_TOGGLE,function(t){var n,i=this,r=s.getSelectorFromElement(this);r&&(n=e(r)[0]);var o=e(n).data("bs.modal")?"toggle":e.extend({},e(n).data(),e(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||t.preventDefault();var a=e(n).one(l.SHOW,function(t){t.isDefaultPrevented()||a.one(l.HIDDEN,function(){e(i).is(":visible")&&i.focus()})});u._jQueryInterface.call(e(n),o,this)}),e.fn[t]=u._jQueryInterface,e.fn[t].Constructor=u,e.fn[t].noConflict=function(){return e.fn[t]=i,u._jQueryInterface},u}(),f=function(){if("undefined"==typeof n)throw new Error("Bootstrap tooltips require Popper.js (https://popper.js.org)");var t="tooltip",i=".bs.tooltip",o=e.fn[t],a=new RegExp("(^|\\s)bs-tooltip\\S+","g"),l={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)"},h={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},c={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip"},u={SHOW:"show",OUT:"out"},d={HIDE:"hide"+i,HIDDEN:"hidden"+i,SHOW:"show"+i,SHOWN:"shown"+i,INSERTED:"inserted"+i,CLICK:"click"+i,FOCUSIN:"focusin"+i,FOCUSOUT:"focusout"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i},f={FADE:"fade",SHOW:"show"},_={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner",ARROW:".arrow"},g={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},m=function(){function o(t,e){this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._popper=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}var m=o.prototype;return m.enable=function(){this._isEnabled=!0},m.disable=function(){this._isEnabled=!1},m.toggleEnabled=function(){this._isEnabled=!this._isEnabled},m.toggle=function(t){if(this._isEnabled)if(t){var n=this.constructor.DATA_KEY,i=e(t.currentTarget).data(n);i||(i=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(e(this.getTipElement()).hasClass(f.SHOW))return void this._leave(null,this);this._enter(null,this)}},m.dispose=function(){clearTimeout(this._timeout),e.removeData(this.element,this.constructor.DATA_KEY),e(this.element).off(this.constructor.EVENT_KEY),e(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&e(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,null!==this._popper&&this._popper.destroy(),this._popper=null,this.element=null,this.config=null,this.tip=null},m.show=function(){var t=this;if("none"===e(this.element).css("display"))throw new Error("Please use show on visible elements");var i=e.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){e(this.element).trigger(i);var r=e.contains(this.element.ownerDocument.documentElement,this.element);if(i.isDefaultPrevented()||!r)return;var a=this.getTipElement(),l=s.getUID(this.constructor.NAME);a.setAttribute("id",l),this.element.setAttribute("aria-describedby",l),this.setContent(),this.config.animation&&e(a).addClass(f.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,a,this.element):this.config.placement,c=this._getAttachment(h);this.addAttachmentClass(c);var d=!1===this.config.container?document.body:e(this.config.container);e(a).data(this.constructor.DATA_KEY,this),e.contains(this.element.ownerDocument.documentElement,this.tip)||e(a).appendTo(d),e(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new n(this.element,a,{placement:c,modifiers:{offset:{offset:this.config.offset},flip:{behavior:this.config.fallbackPlacement},arrow:{element:_.ARROW}},onCreate:function(e){e.originalPlacement!==e.placement&&t._handlePopperPlacementChange(e)},onUpdate:function(e){t._handlePopperPlacementChange(e)}}),e(a).addClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().on("mouseover",null,e.noop);var g=function(){t.config.animation&&t._fixTransition();var n=t._hoverState;t._hoverState=null,e(t.element).trigger(t.constructor.Event.SHOWN),n===u.OUT&&t._leave(null,t)};s.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(this.tip).one(s.TRANSITION_END,g).emulateTransitionEnd(o._TRANSITION_DURATION):g()}},m.hide=function(t){var n=this,i=this.getTipElement(),r=e.Event(this.constructor.Event.HIDE),o=function(){n._hoverState!==u.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n._cleanTipClass(),n.element.removeAttribute("aria-describedby"),e(n.element).trigger(n.constructor.Event.HIDDEN),null!==n._popper&&n._popper.destroy(),t&&t()};e(this.element).trigger(r),r.isDefaultPrevented()||(e(i).removeClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),this._activeTrigger[g.CLICK]=!1,this._activeTrigger[g.FOCUS]=!1,this._activeTrigger[g.HOVER]=!1,s.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(i).one(s.TRANSITION_END,o).emulateTransitionEnd(150):o(),this._hoverState="")},m.update=function(){null!==this._popper&&this._popper.scheduleUpdate()},m.isWithContent=function(){return Boolean(this.getTitle())},m.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-tooltip-"+t)},m.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},m.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(_.TOOLTIP_INNER),this.getTitle()),t.removeClass(f.FADE+" "+f.SHOW)},m.setElementContent=function(t,n){var i=this.config.html;"object"==typeof n&&(n.nodeType||n.jquery)?i?e(n).parent().is(t)||t.empty().append(n):t.text(e(n).text()):t[i?"html":"text"](n)},m.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},m._getAttachment=function(t){return h[t.toUpperCase()]},m._setListeners=function(){var t=this;this.config.trigger.split(" ").forEach(function(n){if("click"===n)e(t.element).on(t.constructor.Event.CLICK,t.config.selector,function(e){return t.toggle(e)});else if(n!==g.MANUAL){var i=n===g.HOVER?t.constructor.Event.MOUSEENTER:t.constructor.Event.FOCUSIN,s=n===g.HOVER?t.constructor.Event.MOUSELEAVE:t.constructor.Event.FOCUSOUT;e(t.element).on(i,t.config.selector,function(e){return t._enter(e)}).on(s,t.config.selector,function(e){return t._leave(e)})}e(t.element).closest(".modal").on("hide.bs.modal",function(){return t.hide()})}),this.config.selector?this.config=e.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},m._fixTitle=function(){var t=typeof this.element.getAttribute("data-original-title");(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},m._enter=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusin"===t.type?g.FOCUS:g.HOVER]=!0),e(n.getTipElement()).hasClass(f.SHOW)||n._hoverState===u.SHOW?n._hoverState=u.SHOW:(clearTimeout(n._timeout),n._hoverState=u.SHOW,n.config.delay&&n.config.delay.show?n._timeout=setTimeout(function(){n._hoverState===u.SHOW&&n.show()},n.config.delay.show):n.show())},m._leave=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusout"===t.type?g.FOCUS:g.HOVER]=!1),n._isWithActiveTrigger()||(clearTimeout(n._timeout),n._hoverState=u.OUT,n.config.delay&&n.config.delay.hide?n._timeout=setTimeout(function(){n._hoverState===u.OUT&&n.hide()},n.config.delay.hide):n.hide())},m._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},m._getConfig=function(n){return"number"==typeof(n=e.extend({},this.constructor.Default,e(this.element).data(),n)).delay&&(n.delay={show:n.delay,hide:n.delay}),"number"==typeof n.title&&(n.title=n.title.toString()),"number"==typeof n.content&&(n.content=n.content.toString()),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},m._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},m._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(a);null!==n&&n.length>0&&t.removeClass(n.join(""))},m._handlePopperPlacementChange=function(t){this._cleanTipClass(),this.addAttachmentClass(this._getAttachment(t.placement))},m._fixTransition=function(){var t=this.getTipElement(),n=this.config.animation;null===t.getAttribute("x-placement")&&(e(t).removeClass(f.FADE),this.config.animation=!1,this.hide(),this.show(),this.config.animation=n)},o._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.tooltip"),i="object"==typeof t&&t;if((n||!/dispose|hide/.test(t))&&(n||(n=new o(this,i),e(this).data("bs.tooltip",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},r(o,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return c}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.tooltip"}},{key:"Event",get:function(){return d}},{key:"EVENT_KEY",get:function(){return i}},{key:"DefaultType",get:function(){return l}}]),o}();return e.fn[t]=m._jQueryInterface,e.fn[t].Constructor=m,e.fn[t].noConflict=function(){return e.fn[t]=o,m._jQueryInterface},m}(),_=function(){var t="popover",n=".bs.popover",i=e.fn[t],s=new RegExp("(^|\\s)bs-popover\\S+","g"),a=e.extend({},f.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-header"></h3><div class="popover-body"></div></div>'}),l=e.extend({},f.DefaultType,{content:"(string|element|function)"}),h={FADE:"fade",SHOW:"show"},c={TITLE:".popover-header",CONTENT:".popover-body"},u={HIDE:"hide"+n,HIDDEN:"hidden"+n,SHOW:"show"+n,SHOWN:"shown"+n,INSERTED:"inserted"+n,CLICK:"click"+n,FOCUSIN:"focusin"+n,FOCUSOUT:"focusout"+n,MOUSEENTER:"mouseenter"+n,MOUSELEAVE:"mouseleave"+n},d=function(i){function d(){return i.apply(this,arguments)||this}o(d,i);var f=d.prototype;return f.isWithContent=function(){return this.getTitle()||this._getContent()},f.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-popover-"+t)},f.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},f.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(c.TITLE),this.getTitle()),this.setElementContent(t.find(c.CONTENT),this._getContent()),t.removeClass(h.FADE+" "+h.SHOW)},f._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},f._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(s);null!==n&&n.length>0&&t.removeClass(n.join(""))},d._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.popover"),i="object"==typeof t?t:null;if((n||!/destroy|hide/.test(t))&&(n||(n=new d(this,i),e(this).data("bs.popover",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},r(d,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return a}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.popover"}},{key:"Event",get:function(){return u}},{key:"EVENT_KEY",get:function(){return n}},{key:"DefaultType",get:function(){return l}}]),d}(f);return e.fn[t]=d._jQueryInterface,e.fn[t].Constructor=d,e.fn[t].noConflict=function(){return e.fn[t]=i,d._jQueryInterface},d}(),g=function(){var t="scrollspy",n=e.fn[t],i={offset:10,method:"auto",target:""},o={offset:"number",method:"string",target:"(string|element)"},a={ACTIVATE:"activate.bs.scrollspy",SCROLL:"scroll.bs.scrollspy",LOAD_DATA_API:"load.bs.scrollspy.data-api"},l={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},h={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",NAV_LIST_GROUP:".nav, .list-group",NAV_LINKS:".nav-link",NAV_ITEMS:".nav-item",LIST_ITEMS:".list-group-item",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},c={OFFSET:"offset",POSITION:"position"},u=function(){function n(t,n){var i=this;this._element=t,this._scrollElement="BODY"===t.tagName?window:t,this._config=this._getConfig(n),this._selector=this._config.target+" "+h.NAV_LINKS+","+this._config.target+" "+h.LIST_ITEMS+","+this._config.target+" "+h.DROPDOWN_ITEMS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,e(this._scrollElement).on(a.SCROLL,function(t){return i._process(t)}),this.refresh(),this._process()}var u=n.prototype;return u.refresh=function(){var t=this,n=this._scrollElement!==this._scrollElement.window?c.POSITION:c.OFFSET,i="auto"===this._config.method?n:this._config.method,r=i===c.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight(),e.makeArray(e(this._selector)).map(function(t){var n,o=s.getSelectorFromElement(t);if(o&&(n=e(o)[0]),n){var a=n.getBoundingClientRect();if(a.width||a.height)return[e(n)[i]().top+r,o]}return null}).filter(function(t){return t}).sort(function(t,e){return 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t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];this._activeTarget!==i&&this._activate(i)}else{if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var s=this._offsets.length;s--;)this._activeTarget!==this._targets[s]&&t>=this._offsets[s]&&("undefined"==typeof this._offsets[s+1]||t<this._offsets[s+1])&&this._activate(this._targets[s])}},u._activate=function(t){this._activeTarget=t,this._clear();var n=this._selector.split(",");n=n.map(function(e){return e+'[data-target="'+t+'"],'+e+'[href="'+t+'"]'});var i=e(n.join(","));i.hasClass(l.DROPDOWN_ITEM)?(i.closest(h.DROPDOWN).find(h.DROPDOWN_TOGGLE).addClass(l.ACTIVE),i.addClass(l.ACTIVE)):(i.addClass(l.ACTIVE),i.parents(h.NAV_LIST_GROUP).prev(h.NAV_LINKS+", 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t=e.fn.tab,n={HIDE:"hide.bs.tab",HIDDEN:"hidden.bs.tab",SHOW:"show.bs.tab",SHOWN:"shown.bs.tab",CLICK_DATA_API:"click.bs.tab.data-api"},i={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},o={DROPDOWN:".dropdown",NAV_LIST_GROUP:".nav, .list-group",ACTIVE:".active",ACTIVE_UL:"> li > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},a=function(){function t(t){this._element=t}var a=t.prototype;return a.show=function(){var t=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&e(this._element).hasClass(i.ACTIVE)||e(this._element).hasClass(i.DISABLED))){var r,a,l=e(this._element).closest(o.NAV_LIST_GROUP)[0],h=s.getSelectorFromElement(this._element);if(l){var c="UL"===l.nodeName?o.ACTIVE_UL:o.ACTIVE;a=e.makeArray(e(l).find(c)),a=a[a.length-1]}var u=e.Event(n.HIDE,{relatedTarget:this._element}),d=e.Event(n.SHOW,{relatedTarget:a});if(a&&e(a).trigger(u),e(this._element).trigger(d),!d.isDefaultPrevented()&&!u.isDefaultPrevented()){h&&(r=e(h)[0]),this._activate(this._element,l);var f=function(){var i=e.Event(n.HIDDEN,{relatedTarget:t._element}),s=e.Event(n.SHOWN,{relatedTarget:a});e(a).trigger(i),e(t._element).trigger(s)};r?this._activate(r,r.parentNode,f):f()}}},a.dispose=function(){e.removeData(this._element,"bs.tab"),this._element=null},a._activate=function(t,n,r){var a,l=this,h=(a="UL"===n.nodeName?e(n).find(o.ACTIVE_UL):e(n).children(o.ACTIVE))[0],c=r&&s.supportsTransitionEnd()&&h&&e(h).hasClass(i.FADE),u=function(){return l._transitionComplete(t,h,c,r)};h&&c?e(h).one(s.TRANSITION_END,u).emulateTransitionEnd(150):u(),h&&e(h).removeClass(i.SHOW)},a._transitionComplete=function(t,n,r,a){if(n){e(n).removeClass(i.ACTIVE);var l=e(n.parentNode).find(o.DROPDOWN_ACTIVE_CHILD)[0];l&&e(l).removeClass(i.ACTIVE),"tab"===n.getAttribute("role")&&n.setAttribute("aria-selected",!1)}if(e(t).addClass(i.ACTIVE),"tab"===t.getAttribute("role")&&t.setAttribute("aria-selected",!0),r?(s.reflow(t),e(t).addClass(i.SHOW)):e(t).removeClass(i.FADE),t.parentNode&&e(t.parentNode).hasClass(i.DROPDOWN_MENU)){var h=e(t).closest(o.DROPDOWN)[0];h&&e(h).find(o.DROPDOWN_TOGGLE).addClass(i.ACTIVE),t.setAttribute("aria-expanded",!0)}a&&a()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.tab");if(s||(s=new t(this),i.data("bs.tab",s)),"string"==typeof n){if("undefined"==typeof s[n])throw new Error('No method named "'+n+'"');s[n]()}})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return e(document).on(n.CLICK_DATA_API,o.DATA_TOGGLE,function(t){t.preventDefault(),a._jQueryInterface.call(e(this),"show")}),e.fn.tab=a._jQueryInterface,e.fn.tab.Constructor=a,e.fn.tab.noConflict=function(){return e.fn.tab=t,a._jQueryInterface},a}();return function(){if("undefined"==typeof e)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var t=e.fn.jquery.split(" ")[0].split(".");if(t[0]<3||t[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v3.0.0 but less than v4.0.0")}(),t.Util=s,t.Alert=a,t.Button=l,t.Carousel=h,t.Collapse=c,t.Dropdown=u,t.Modal=d,t.Popover=_,t.Scrollspy=g,t.Tab=m,t.Tooltip=f,t}({},$,Popper);
\ No newline at end of file
+var bootstrap=function(t,e,n){"use strict";function i(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}e=e&&e.hasOwnProperty("default")?e.default:e,n=n&&n.hasOwnProperty("default")?n.default:n;var s=function(){function t(t){return{}.toString.call(t).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function n(){return{bindType:r.end,delegateType:r.end,handle:function(t){if(e(t.target).is(this))return t.handleObj.handler.apply(this,arguments)}}}function i(){if(window.QUnit)return!1;var t=document.createElement("bootstrap");for(var e in o)if("undefined"!=typeof t.style[e])return{end:o[e]};return!1}function s(t){var n=this,i=!1;return e(this).one(a.TRANSITION_END,function(){i=!0}),setTimeout(function(){i||a.triggerTransitionEnd(n)},t),this}var r=!1,o={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},a={TRANSITION_END:"bsTransitionEnd",getUID:function(t){do{t+=~~(1e6*Math.random())}while(document.getElementById(t));return t},getSelectorFromElement:function(t){var n=t.getAttribute("data-target");n&&"#"!==n||(n=t.getAttribute("href")||"");try{return e(document).find(n).length>0?n:null}catch(t){return null}},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(t){e(t).trigger(r.end)},supportsTransitionEnd:function(){return Boolean(r)},isElement:function(t){return(t[0]||t).nodeType},typeCheckConfig:function(e,n,i){for(var s in i)if(Object.prototype.hasOwnProperty.call(i,s)){var r=i[s],o=n[s],l=o&&a.isElement(o)?"element":t(o);if(!new RegExp(r).test(l))throw new Error(e.toUpperCase()+': Option "'+s+'" provided type "'+l+'" but expected type "'+r+'".')}}};return r=i(),e.fn.emulateTransitionEnd=s,a.supportsTransitionEnd()&&(e.event.special[a.TRANSITION_END]=n()),a}(),r=function(t,e,n){return e&&i(t.prototype,e),n&&i(t,n),t},o=function(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e},a=function(){var t="alert",n=e.fn[t],i={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",CLICK_DATA_API:"click.bs.alert.data-api"},o={ALERT:"alert",FADE:"fade",SHOW:"show"},a=function(){function t(t){this._element=t}var n=t.prototype;return n.close=function(t){t=t||this._element;var e=this._getRootElement(t);this._triggerCloseEvent(e).isDefaultPrevented()||this._removeElement(e)},n.dispose=function(){e.removeData(this._element,"bs.alert"),this._element=null},n._getRootElement=function(t){var n=s.getSelectorFromElement(t),i=!1;return n&&(i=e(n)[0]),i||(i=e(t).closest("."+o.ALERT)[0]),i},n._triggerCloseEvent=function(t){var n=e.Event(i.CLOSE);return e(t).trigger(n),n},n._removeElement=function(t){var n=this;e(t).removeClass(o.SHOW),s.supportsTransitionEnd()&&e(t).hasClass(o.FADE)?e(t).one(s.TRANSITION_END,function(e){return n._destroyElement(t,e)}).emulateTransitionEnd(150):this._destroyElement(t)},n._destroyElement=function(t){e(t).detach().trigger(i.CLOSED).remove()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.alert");s||(s=new t(this),i.data("bs.alert",s)),"close"===n&&s[n](this)})},t._handleDismiss=function(t){return function(e){e&&e.preventDefault(),t.close(this)}},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}}]),t}();return e(document).on(i.CLICK_DATA_API,{DISMISS:'[data-dismiss="alert"]'}.DISMISS,a._handleDismiss(new a)),e.fn[t]=a._jQueryInterface,e.fn[t].Constructor=a,e.fn[t].noConflict=function(){return e.fn[t]=n,a._jQueryInterface},a}(),l=function(){var t="button",n=e.fn[t],i={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},s={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},o={CLICK_DATA_API:"click.bs.button.data-api",FOCUS_BLUR_DATA_API:"focus.bs.button.data-api 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t(this),e(this).data("bs.button",i)),"toggle"===n&&i[n]()})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}}]),t}();return e(document).on(o.CLICK_DATA_API,s.DATA_TOGGLE_CARROT,function(t){t.preventDefault();var n=t.target;e(n).hasClass(i.BUTTON)||(n=e(n).closest(s.BUTTON)),a._jQueryInterface.call(e(n),"toggle")}).on(o.FOCUS_BLUR_DATA_API,s.DATA_TOGGLE_CARROT,function(t){var n=e(t.target).closest(s.BUTTON)[0];e(n).toggleClass(i.FOCUS,/^focus(in)?$/.test(t.type))}),e.fn[t]=a._jQueryInterface,e.fn[t].Constructor=a,e.fn[t].noConflict=function(){return e.fn[t]=n,a._jQueryInterface},a}(),h=function(){var t="carousel",n="bs.carousel",i="."+n,o=e.fn[t],a={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},l={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},h={NEXT:"next",PREV:"prev",LEFT:"left",RIGHT:"right"},c={SLIDE:"slide"+i,SLID:"slid"+i,KEYDOWN:"keydown"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i,TOUCHEND:"touchend"+i,LOAD_DATA_API:"load.bs.carousel.data-api",CLICK_DATA_API:"click.bs.carousel.data-api"},u={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"carousel-item-right",LEFT:"carousel-item-left",NEXT:"carousel-item-next",PREV:"carousel-item-prev",ITEM:"carousel-item"},d={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".carousel-item-next, .carousel-item-prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},f=function(){function o(t,n){this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this.touchTimeout=null,this._config=this._getConfig(n),this._element=e(t)[0],this._indicatorsElement=e(this._element).find(d.INDICATORS)[0],this._addEventListeners()}var f=o.prototype;return f.next=function(){this._isSliding||this._slide(h.NEXT)},f.nextWhenVisible=function(){!document.hidden&&e(this._element).is(":visible")&&"hidden"!==e(this._element).css("visibility")&&this.next()},f.prev=function(){this._isSliding||this._slide(h.PREV)},f.pause=function(t){t||(this._isPaused=!0),e(this._element).find(d.NEXT_PREV)[0]&&s.supportsTransitionEnd()&&(s.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},f.cycle=function(t){t||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))},f.to=function(t){var n=this;this._activeElement=e(this._element).find(d.ACTIVE_ITEM)[0];var i=this._getItemIndex(this._activeElement);if(!(t>this._items.length-1||t<0))if(this._isSliding)e(this._element).one(c.SLID,function(){return n.to(t)});else{if(i===t)return this.pause(),void this.cycle();var s=t>i?h.NEXT:h.PREV;this._slide(s,this._items[t])}},f.dispose=function(){e(this._element).off(i),e.removeData(this._element,n),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},f._getConfig=function(n){return n=e.extend({},a,n),s.typeCheckConfig(t,n,l),n},f._addEventListeners=function(){var t=this;this._config.keyboard&&e(this._element).on(c.KEYDOWN,function(e){return t._keydown(e)}),"hover"===this._config.pause&&(e(this._element).on(c.MOUSEENTER,function(e){return t.pause(e)}).on(c.MOUSELEAVE,function(e){return t.cycle(e)}),"ontouchstart"in document.documentElement&&e(this._element).on(c.TOUCHEND,function(){t.pause(),t.touchTimeout&&clearTimeout(t.touchTimeout),t.touchTimeout=setTimeout(function(e){return t.cycle(e)},500+t._config.interval)}))},f._keydown=function(t){if(!/input|textarea/i.test(t.target.tagName))switch(t.which){case 37:t.preventDefault(),this.prev();break;case 39:t.preventDefault(),this.next();break;default:return}},f._getItemIndex=function(t){return this._items=e.makeArray(e(t).parent().find(d.ITEM)),this._items.indexOf(t)},f._getItemByDirection=function(t,e){var n=t===h.NEXT,i=t===h.PREV,s=this._getItemIndex(e),r=this._items.length-1;if((i&&0===s||n&&s===r)&&!this._config.wrap)return e;var o=(s+(t===h.PREV?-1:1))%this._items.length;return-1===o?this._items[this._items.length-1]:this._items[o]},f._triggerSlideEvent=function(t,n){var i=this._getItemIndex(t),s=this._getItemIndex(e(this._element).find(d.ACTIVE_ITEM)[0]),r=e.Event(c.SLIDE,{relatedTarget:t,direction:n,from:s,to:i});return e(this._element).trigger(r),r},f._setActiveIndicatorElement=function(t){if(this._indicatorsElement){e(this._indicatorsElement).find(d.ACTIVE).removeClass(u.ACTIVE);var n=this._indicatorsElement.children[this._getItemIndex(t)];n&&e(n).addClass(u.ACTIVE)}},f._slide=function(t,n){var i,r,o,a=this,l=e(this._element).find(d.ACTIVE_ITEM)[0],f=this._getItemIndex(l),_=n||l&&this._getItemByDirection(t,l),g=this._getItemIndex(_),m=Boolean(this._interval);if(t===h.NEXT?(i=u.LEFT,r=u.NEXT,o=h.LEFT):(i=u.RIGHT,r=u.PREV,o=h.RIGHT),_&&e(_).hasClass(u.ACTIVE))this._isSliding=!1;else if(!this._triggerSlideEvent(_,o).isDefaultPrevented()&&l&&_){this._isSliding=!0,m&&this.pause(),this._setActiveIndicatorElement(_);var p=e.Event(c.SLID,{relatedTarget:_,direction:o,from:f,to:g});s.supportsTransitionEnd()&&e(this._element).hasClass(u.SLIDE)?(e(_).addClass(r),s.reflow(_),e(l).addClass(i),e(_).addClass(i),e(l).one(s.TRANSITION_END,function(){e(_).removeClass(i+" "+r).addClass(u.ACTIVE),e(l).removeClass(u.ACTIVE+" "+r+" "+i),a._isSliding=!1,setTimeout(function(){return e(a._element).trigger(p)},0)}).emulateTransitionEnd(600)):(e(l).removeClass(u.ACTIVE),e(_).addClass(u.ACTIVE),this._isSliding=!1,e(this._element).trigger(p)),m&&this.cycle()}},o._jQueryInterface=function(t){return this.each(function(){var i=e(this).data(n),s=e.extend({},a,e(this).data());"object"==typeof t&&e.extend(s,t);var r="string"==typeof t?t:s.slide;if(i||(i=new o(this,s),e(this).data(n,i)),"number"==typeof t)i.to(t);else if("string"==typeof r){if("undefined"==typeof i[r])throw new Error('No method named "'+r+'"');i[r]()}else s.interval&&(i.pause(),i.cycle())})},o._dataApiClickHandler=function(t){var i=s.getSelectorFromElement(this);if(i){var r=e(i)[0];if(r&&e(r).hasClass(u.CAROUSEL)){var a=e.extend({},e(r).data(),e(this).data()),l=this.getAttribute("data-slide-to");l&&(a.interval=!1),o._jQueryInterface.call(e(r),a),l&&e(r).data(n).to(l),t.preventDefault()}}},r(o,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return a}}]),o}();return e(document).on(c.CLICK_DATA_API,d.DATA_SLIDE,f._dataApiClickHandler),e(window).on(c.LOAD_DATA_API,function(){e(d.DATA_RIDE).each(function(){var t=e(this);f._jQueryInterface.call(t,t.data())})}),e.fn[t]=f._jQueryInterface,e.fn[t].Constructor=f,e.fn[t].noConflict=function(){return e.fn[t]=o,f._jQueryInterface},f}(),c=function(){var t="collapse",n="bs.collapse",i=e.fn[t],o={toggle:!0,parent:""},a={toggle:"boolean",parent:"(string|element)"},l={SHOW:"show.bs.collapse",SHOWN:"shown.bs.collapse",HIDE:"hide.bs.collapse",HIDDEN:"hidden.bs.collapse",CLICK_DATA_API:"click.bs.collapse.data-api"},h={SHOW:"show",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},c={WIDTH:"width",HEIGHT:"height"},u={ACTIVES:".show, .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},d=function(){function i(t,n){this._isTransitioning=!1,this._element=t,this._config=this._getConfig(n),this._triggerArray=e.makeArray(e('[data-toggle="collapse"][href="#'+t.id+'"],[data-toggle="collapse"][data-target="#'+t.id+'"]'));for(var i=e(u.DATA_TOGGLE),r=0;r<i.length;r++){var o=i[r],a=s.getSelectorFromElement(o);null!==a&&e(a).filter(t).length>0&&this._triggerArray.push(o)}this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}var d=i.prototype;return d.toggle=function(){e(this._element).hasClass(h.SHOW)?this.hide():this.show()},d.show=function(){var t=this;if(!this._isTransitioning&&!e(this._element).hasClass(h.SHOW)){var r,o;if(this._parent&&((r=e.makeArray(e(this._parent).children().children(u.ACTIVES))).length||(r=null)),!(r&&(o=e(r).data(n))&&o._isTransitioning)){var a=e.Event(l.SHOW);if(e(this._element).trigger(a),!a.isDefaultPrevented()){r&&(i._jQueryInterface.call(e(r),"hide"),o||e(r).data(n,null));var c=this._getDimension();e(this._element).removeClass(h.COLLAPSE).addClass(h.COLLAPSING),this._element.style[c]=0,this._triggerArray.length&&e(this._triggerArray).removeClass(h.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var d=function(){e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).addClass(h.SHOW),t._element.style[c]="",t.setTransitioning(!1),e(t._element).trigger(l.SHOWN)};if(s.supportsTransitionEnd()){var f="scroll"+(c[0].toUpperCase()+c.slice(1));e(this._element).one(s.TRANSITION_END,d).emulateTransitionEnd(600),this._element.style[c]=this._element[f]+"px"}else d()}}}},d.hide=function(){var t=this;if(!this._isTransitioning&&e(this._element).hasClass(h.SHOW)){var n=e.Event(l.HIDE);if(e(this._element).trigger(n),!n.isDefaultPrevented()){var i=this._getDimension();if(this._element.style[i]=this._element.getBoundingClientRect()[i]+"px",s.reflow(this._element),e(this._element).addClass(h.COLLAPSING).removeClass(h.COLLAPSE).removeClass(h.SHOW),this._triggerArray.length)for(var r=0;r<this._triggerArray.length;r++){var o=this._triggerArray[r],a=s.getSelectorFromElement(o);null!==a&&(e(a).hasClass(h.SHOW)||e(o).addClass(h.COLLAPSED).attr("aria-expanded",!1))}this.setTransitioning(!0);var c=function(){t.setTransitioning(!1),e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).trigger(l.HIDDEN)};this._element.style[i]="",s.supportsTransitionEnd()?e(this._element).one(s.TRANSITION_END,c).emulateTransitionEnd(600):c()}}},d.setTransitioning=function(t){this._isTransitioning=t},d.dispose=function(){e.removeData(this._element,n),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},d._getConfig=function(n){return n=e.extend({},o,n),n.toggle=Boolean(n.toggle),s.typeCheckConfig(t,n,a),n},d._getDimension=function(){return e(this._element).hasClass(c.WIDTH)?c.WIDTH:c.HEIGHT},d._getParent=function(){var t=this,n=null;s.isElement(this._config.parent)?(n=this._config.parent,"undefined"!=typeof this._config.parent.jquery&&(n=this._config.parent[0])):n=e(this._config.parent)[0];var r='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return e(n).find(r).each(function(e,n){t._addAriaAndCollapsedClass(i._getTargetFromElement(n),[n])}),n},d._addAriaAndCollapsedClass=function(t,n){if(t){var i=e(t).hasClass(h.SHOW);n.length&&e(n).toggleClass(h.COLLAPSED,!i).attr("aria-expanded",i)}},i._getTargetFromElement=function(t){var n=s.getSelectorFromElement(t);return n?e(n)[0]:null},i._jQueryInterface=function(t){return this.each(function(){var s=e(this),r=s.data(n),a=e.extend({},o,s.data(),"object"==typeof t&&t);if(!r&&a.toggle&&/show|hide/.test(t)&&(a.toggle=!1),r||(r=new i(this,a),s.data(n,r)),"string"==typeof t){if("undefined"==typeof r[t])throw new Error('No method named "'+t+'"');r[t]()}})},r(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return o}}]),i}();return e(document).on(l.CLICK_DATA_API,u.DATA_TOGGLE,function(t){"A"===t.currentTarget.tagName&&t.preventDefault();var i=e(this),r=s.getSelectorFromElement(this);e(r).each(function(){var t=e(this),s=t.data(n)?"toggle":i.data();d._jQueryInterface.call(t,s)})}),e.fn[t]=d._jQueryInterface,e.fn[t].Constructor=d,e.fn[t].noConflict=function(){return e.fn[t]=i,d._jQueryInterface},d}(),u=function(){if("undefined"==typeof n)throw new Error("Bootstrap dropdown require Popper.js (https://popper.js.org)");var t="dropdown",i="bs.dropdown",o="."+i,a=e.fn[t],l=new RegExp("38|40|27"),h={HIDE:"hide"+o,HIDDEN:"hidden"+o,SHOW:"show"+o,SHOWN:"shown"+o,CLICK:"click"+o,CLICK_DATA_API:"click.bs.dropdown.data-api",KEYDOWN_DATA_API:"keydown.bs.dropdown.data-api",KEYUP_DATA_API:"keyup.bs.dropdown.data-api"},c={DISABLED:"disabled",SHOW:"show",DROPUP:"dropup",MENURIGHT:"dropdown-menu-right",MENULEFT:"dropdown-menu-left"},u={DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",MENU:".dropdown-menu",NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:".dropdown-menu .dropdown-item:not(.disabled)"},d={TOP:"top-start",TOPEND:"top-end",BOTTOM:"bottom-start",BOTTOMEND:"bottom-end"},f={offset:0,flip:!0},_={offset:"(number|string|function)",flip:"boolean"},g=function(){function a(t,e){this._element=t,this._popper=null,this._config=this._getConfig(e),this._menu=this._getMenuElement(),this._inNavbar=this._detectNavbar(),this._addEventListeners()}var g=a.prototype;return g.toggle=function(){if(!this._element.disabled&&!e(this._element).hasClass(c.DISABLED)){var t=a._getParentFromElement(this._element),i=e(this._menu).hasClass(c.SHOW);if(a._clearMenus(),!i){var s={relatedTarget:this._element},r=e.Event(h.SHOW,s);if(e(t).trigger(r),!r.isDefaultPrevented()){var o=this._element;e(t).hasClass(c.DROPUP)&&(e(this._menu).hasClass(c.MENULEFT)||e(this._menu).hasClass(c.MENURIGHT))&&(o=t),this._popper=new n(o,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(u.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(c.SHOW),e(t).toggleClass(c.SHOW).trigger(e.Event(h.SHOWN,s))}}}},g.dispose=function(){e.removeData(this._element,i),e(this._element).off(o),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},g.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},g._addEventListeners=function(){var t=this;e(this._element).on(h.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},g._getConfig=function(n){return n=e.extend({},this.constructor.Default,e(this._element).data(),n),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},g._getMenuElement=function(){if(!this._menu){var t=a._getParentFromElement(this._element);this._menu=e(t).find(u.MENU)[0]}return this._menu},g._getPlacement=function(){var t=e(this._element).parent(),n=d.BOTTOM;return t.hasClass(c.DROPUP)?(n=d.TOP,e(this._menu).hasClass(c.MENURIGHT)&&(n=d.TOPEND)):e(this._menu).hasClass(c.MENURIGHT)&&(n=d.BOTTOMEND),n},g._detectNavbar=function(){return e(this._element).closest(".navbar").length>0},g._getPopperConfig=function(){var t=this,n={};"function"==typeof this._config.offset?n.fn=function(n){return n.offsets=e.extend({},n.offsets,t._config.offset(n.offsets)||{}),n}:n.offset=this._config.offset;var i={placement:this._getPlacement(),modifiers:{offset:n,flip:{enabled:this._config.flip}}};return this._inNavbar&&(i.modifiers.applyStyle={enabled:!this._inNavbar}),i},a._jQueryInterface=function(t){return this.each(function(){var n=e(this).data(i),s="object"==typeof t?t:null;if(n||(n=new a(this,s),e(this).data(i,n)),"string"==typeof t){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},a._clearMenus=function(t){if(!t||3!==t.which&&("keyup"!==t.type||9===t.which))for(var n=e.makeArray(e(u.DATA_TOGGLE)),s=0;s<n.length;s++){var r=a._getParentFromElement(n[s]),o=e(n[s]).data(i),l={relatedTarget:n[s]};if(o){var d=o._menu;if(e(r).hasClass(c.SHOW)&&!(t&&("click"===t.type&&/input|textarea/i.test(t.target.tagName)||"keyup"===t.type&&9===t.which)&&e.contains(r,t.target))){var f=e.Event(h.HIDE,l);e(r).trigger(f),f.isDefaultPrevented()||("ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),n[s].setAttribute("aria-expanded","false"),e(d).removeClass(c.SHOW),e(r).removeClass(c.SHOW).trigger(e.Event(h.HIDDEN,l)))}}}},a._getParentFromElement=function(t){var n,i=s.getSelectorFromElement(t);return i&&(n=e(i)[0]),n||t.parentNode},a._dataApiKeydownHandler=function(t){if(!(!l.test(t.which)||/button/i.test(t.target.tagName)&&32===t.which||/input|textarea/i.test(t.target.tagName)||(t.preventDefault(),t.stopPropagation(),this.disabled||e(this).hasClass(c.DISABLED)))){var n=a._getParentFromElement(this),i=e(n).hasClass(c.SHOW);if((i||27===t.which&&32===t.which)&&(!i||27!==t.which&&32!==t.which)){var s=e(n).find(u.VISIBLE_ITEMS).get();if(s.length){var r=s.indexOf(t.target);38===t.which&&r>0&&r--,40===t.which&&r<s.length-1&&r++,r<0&&(r=0),s[r].focus()}}else{if(27===t.which){var o=e(n).find(u.DATA_TOGGLE)[0];e(o).trigger("focus")}e(this).trigger("click")}}},r(a,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return f}},{key:"DefaultType",get:function(){return _}}]),a}();return e(document).on(h.KEYDOWN_DATA_API,u.DATA_TOGGLE,g._dataApiKeydownHandler).on(h.KEYDOWN_DATA_API,u.MENU,g._dataApiKeydownHandler).on(h.CLICK_DATA_API+" "+h.KEYUP_DATA_API,g._clearMenus).on(h.CLICK_DATA_API,u.DATA_TOGGLE,function(t){t.preventDefault(),t.stopPropagation(),g._jQueryInterface.call(e(this),"toggle")}).on(h.CLICK_DATA_API,u.FORM_CHILD,function(t){t.stopPropagation()}),e.fn[t]=g._jQueryInterface,e.fn[t].Constructor=g,e.fn[t].noConflict=function(){return e.fn[t]=a,g._jQueryInterface},g}(),d=function(){var t="modal",n=".bs.modal",i=e.fn[t],o={backdrop:!0,keyboard:!0,focus:!0,show:!0},a={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},l={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},h={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},c={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",STICKY_CONTENT:".sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},u=function(){function i(t,n){this._config=this._getConfig(n),this._element=t,this._dialog=e(t).find(c.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}var u=i.prototype;return u.toggle=function(t){return this._isShown?this.hide():this.show(t)},u.show=function(t){var n=this;if(!this._isTransitioning&&!this._isShown){s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)&&(this._isTransitioning=!0);var i=e.Event(l.SHOW,{relatedTarget:t});e(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),e(document.body).addClass(h.OPEN),this._setEscapeEvent(),this._setResizeEvent(),e(this._element).on(l.CLICK_DISMISS,c.DATA_DISMISS,function(t){return n.hide(t)}),e(this._dialog).on(l.MOUSEDOWN_DISMISS,function(){e(n._element).one(l.MOUSEUP_DISMISS,function(t){e(t.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(t)}))}},u.hide=function(t){var n=this;if(t&&t.preventDefault(),!this._isTransitioning&&this._isShown){var i=e.Event(l.HIDE);if(e(this._element).trigger(i),this._isShown&&!i.isDefaultPrevented()){this._isShown=!1;var r=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);r&&(this._isTransitioning=!0),this._setEscapeEvent(),this._setResizeEvent(),e(document).off(l.FOCUSIN),e(this._element).removeClass(h.SHOW),e(this._element).off(l.CLICK_DISMISS),e(this._dialog).off(l.MOUSEDOWN_DISMISS),r?e(this._element).one(s.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal()}}},u.dispose=function(){e.removeData(this._element,"bs.modal"),e(window,document,this._element,this._backdrop).off(n),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},u.handleUpdate=function(){this._adjustDialog()},u._getConfig=function(n){return n=e.extend({},o,n),s.typeCheckConfig(t,n,a),n},u._showElement=function(t){var n=this,i=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&s.reflow(this._element),e(this._element).addClass(h.SHOW),this._config.focus&&this._enforceFocus();var r=e.Event(l.SHOWN,{relatedTarget:t}),o=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,e(n._element).trigger(r)};i?e(this._dialog).one(s.TRANSITION_END,o).emulateTransitionEnd(300):o()},u._enforceFocus=function(){var t=this;e(document).off(l.FOCUSIN).on(l.FOCUSIN,function(n){document===n.target||t._element===n.target||e(t._element).has(n.target).length||t._element.focus()})},u._setEscapeEvent=function(){var t=this;this._isShown&&this._config.keyboard?e(this._element).on(l.KEYDOWN_DISMISS,function(e){27===e.which&&(e.preventDefault(),t.hide())}):this._isShown||e(this._element).off(l.KEYDOWN_DISMISS)},u._setResizeEvent=function(){var t=this;this._isShown?e(window).on(l.RESIZE,function(e){return t.handleUpdate(e)}):e(window).off(l.RESIZE)},u._hideModal=function(){var t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(h.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(l.HIDDEN)})},u._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},u._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(h.FADE)?h.FADE:"";if(this._isShown&&this._config.backdrop){var r=s.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=h.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(l.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&s.reflow(this._backdrop),e(this._backdrop).addClass(h.SHOW),!t)return;if(!r)return void 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t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];this._activeTarget!==i&&this._activate(i)}else{if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var s=this._offsets.length;s--;)this._activeTarget!==this._targets[s]&&t>=this._offsets[s]&&("undefined"==typeof this._offsets[s+1]||t<this._offsets[s+1])&&this._activate(this._targets[s])}},u._activate=function(t){this._activeTarget=t,this._clear();var n=this._selector.split(",");n=n.map(function(e){return e+'[data-target="'+t+'"],'+e+'[href="'+t+'"]'});var i=e(n.join(","));i.hasClass(l.DROPDOWN_ITEM)?(i.closest(h.DROPDOWN).find(h.DROPDOWN_TOGGLE).addClass(l.ACTIVE),i.addClass(l.ACTIVE)):(i.addClass(l.ACTIVE),i.parents(h.NAV_LIST_GROUP).prev(h.NAV_LINKS+", "+h.LIST_ITEMS).addClass(l.ACTIVE),i.parents(h.NAV_LIST_GROUP).prev(h.NAV_ITEMS).children(h.NAV_LINKS).addClass(l.ACTIVE)),e(this._scrollElement).trigger(a.ACTIVATE,{relatedTarget:t})},u._clear=function(){e(this._selector).filter(h.ACTIVE).removeClass(l.ACTIVE)},n._jQueryInterface=function(t){return this.each(function(){var i=e(this).data("bs.scrollspy"),s="object"==typeof t&&t;if(i||(i=new n(this,s),e(this).data("bs.scrollspy",i)),"string"==typeof t){if("undefined"==typeof i[t])throw new Error('No method named "'+t+'"');i[t]()}})},r(n,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return i}}]),n}();return e(window).on(a.LOAD_DATA_API,function(){for(var t=e.makeArray(e(h.DATA_SPY)),n=t.length;n--;){var i=e(t[n]);u._jQueryInterface.call(i,i.data())}}),e.fn[t]=u._jQueryInterface,e.fn[t].Constructor=u,e.fn[t].noConflict=function(){return e.fn[t]=n,u._jQueryInterface},u}(),m=function(){var t=e.fn.tab,n={HIDE:"hide.bs.tab",HIDDEN:"hidden.bs.tab",SHOW:"show.bs.tab",SHOWN:"shown.bs.tab",CLICK_DATA_API:"click.bs.tab.data-api"},i={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},o={DROPDOWN:".dropdown",NAV_LIST_GROUP:".nav, .list-group",ACTIVE:".active",ACTIVE_UL:"> li > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},a=function(){function t(t){this._element=t}var a=t.prototype;return a.show=function(){var t=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&e(this._element).hasClass(i.ACTIVE)||e(this._element).hasClass(i.DISABLED))){var r,a,l=e(this._element).closest(o.NAV_LIST_GROUP)[0],h=s.getSelectorFromElement(this._element);if(l){var c="UL"===l.nodeName?o.ACTIVE_UL:o.ACTIVE;a=e.makeArray(e(l).find(c)),a=a[a.length-1]}var u=e.Event(n.HIDE,{relatedTarget:this._element}),d=e.Event(n.SHOW,{relatedTarget:a});if(a&&e(a).trigger(u),e(this._element).trigger(d),!d.isDefaultPrevented()&&!u.isDefaultPrevented()){h&&(r=e(h)[0]),this._activate(this._element,l);var f=function(){var i=e.Event(n.HIDDEN,{relatedTarget:t._element}),s=e.Event(n.SHOWN,{relatedTarget:a});e(a).trigger(i),e(t._element).trigger(s)};r?this._activate(r,r.parentNode,f):f()}}},a.dispose=function(){e.removeData(this._element,"bs.tab"),this._element=null},a._activate=function(t,n,r){var a,l=this,h=(a="UL"===n.nodeName?e(n).find(o.ACTIVE_UL):e(n).children(o.ACTIVE))[0],c=r&&s.supportsTransitionEnd()&&h&&e(h).hasClass(i.FADE),u=function(){return l._transitionComplete(t,h,c,r)};h&&c?e(h).one(s.TRANSITION_END,u).emulateTransitionEnd(150):u(),h&&e(h).removeClass(i.SHOW)},a._transitionComplete=function(t,n,r,a){if(n){e(n).removeClass(i.ACTIVE);var l=e(n.parentNode).find(o.DROPDOWN_ACTIVE_CHILD)[0];l&&e(l).removeClass(i.ACTIVE),"tab"===n.getAttribute("role")&&n.setAttribute("aria-selected",!1)}if(e(t).addClass(i.ACTIVE),"tab"===t.getAttribute("role")&&t.setAttribute("aria-selected",!0),r?(s.reflow(t),e(t).addClass(i.SHOW)):e(t).removeClass(i.FADE),t.parentNode&&e(t.parentNode).hasClass(i.DROPDOWN_MENU)){var h=e(t).closest(o.DROPDOWN)[0];h&&e(h).find(o.DROPDOWN_TOGGLE).addClass(i.ACTIVE),t.setAttribute("aria-expanded",!0)}a&&a()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.tab");if(s||(s=new t(this),i.data("bs.tab",s)),"string"==typeof n){if("undefined"==typeof s[n])throw new Error('No method named "'+n+'"');s[n]()}})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}}]),t}();return e(document).on(n.CLICK_DATA_API,o.DATA_TOGGLE,function(t){t.preventDefault(),a._jQueryInterface.call(e(this),"show")}),e.fn.tab=a._jQueryInterface,e.fn.tab.Constructor=a,e.fn.tab.noConflict=function(){return e.fn.tab=t,a._jQueryInterface},a}();return function(){if("undefined"==typeof e)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var t=e.fn.jquery.split(" ")[0].split(".");if(t[0]<2&&t[1]<9||1===t[0]&&9===t[1]&&t[2]<1||t[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(),t.Util=s,t.Alert=a,t.Button=l,t.Carousel=h,t.Collapse=c,t.Dropdown=u,t.Modal=d,t.Popover=_,t.Scrollspy=g,t.Tab=m,t.Tooltip=f,t}({},$,Popper);
+//# sourceMappingURL=bootstrap.min.js.map
\ No newline at end of file
diff --git a/dist/js/bootstrap.min.js.map b/dist/js/bootstrap.min.js.map
new file mode 100644
index 0000000000000000000000000000000000000000..613897da3667401eeae249b8f030bc545e61e8eb
Binary files /dev/null and b/dist/js/bootstrap.min.js.map differ
diff --git a/docs/4.0/components/alerts.md b/docs/4.0/components/alerts.md
index b8bb0c2168ef3f854de1a2de0c23a075caa2ad31..aa6dfbeccbf88269c17f2e7eb265a9cf8fa0b57d 100644
--- a/docs/4.0/components/alerts.md
+++ b/docs/4.0/components/alerts.md
@@ -50,7 +50,7 @@ Alerts can also contain additional HTML elements like headings, paragraphs and d
 Using the alert JavaScript plugin, it's possible to dismiss any alert inline. Here's how:
 
 - Be sure you've loaded the alert plugin, or the compiled Bootstrap JavaScript.
-- If you're building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util). The compiled version includes this.
+- If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util). The compiled version includes this.
 - Add a dismiss button and the `.alert-dismissible` class, which adds extra padding to the right of the alert and positions the `.close` button.
 - On the dismiss button, add the `data-dismiss="alert"` attribute, which triggers the JavaScript functionality. Be sure to use the `<button>` element with it for proper behavior across all devices.
 - To animate alerts when dismissing them, be sure to add the `.fade` and `.show` classes.
@@ -92,6 +92,7 @@ Note that closing an alert will remove it from the DOM.
 | --- | --- |
 | `$().alert()` | Makes an alert listen for click events on descendant elements which have the `data-dismiss="alert"` attribute. (Not necessary when using the data-api's auto-initialization.) |
 | `$().alert('close')` | Closes an alert by removing it from the DOM. If the `.fade` and `.show` classes are present on the element, the alert will fade out before it is removed. |
+| `$().alert('dispose')` | Destroys an element's alert. |
 
 {% highlight js %}$(".alert").alert('close'){% endhighlight %}
 
diff --git a/docs/4.0/components/badge.md b/docs/4.0/components/badge.md
index c42d948d67966848e665742bd3d581c6a9aab7d7..287005e7d1d27fc6bdf962bf681e6cec3322846d 100644
--- a/docs/4.0/components/badge.md
+++ b/docs/4.0/components/badge.md
@@ -70,7 +70,7 @@ Use the `.badge-pill` modifier class to make badges more rounded (with a larger
 
 ## Links
 
-Using the `.badge` classes with the `<a>` element quickly provide _actionable_ badges with hover and focus states.
+Using the contextual `.badge-*` classes on an `<a>` element quickly provide _actionable_ badges with hover and focus states.
 
 {% example html %}
 {% for color in site.data.theme-colors %}
diff --git a/docs/4.0/components/buttons.md b/docs/4.0/components/buttons.md
index fac603e7e1228195fb2d4ff03944a65a145ad85b..41ca9cef075a87dca1d199eda98934e27742fbbb 100644
--- a/docs/4.0/components/buttons.md
+++ b/docs/4.0/components/buttons.md
@@ -154,4 +154,5 @@ Note that pre-checked buttons require you to manually add the `.active` class to
 
 | Method | Description |
 | --- | --- |
-| `$().button('toggle')` |Toggles push state. Gives the button the appearance that it has been activated.  |
+| `$().button('toggle')` | Toggles push state. Gives the button the appearance that it has been activated. |
+| `$().button('dispose')` | Destroys an element's button. |
diff --git a/docs/4.0/components/card.md b/docs/4.0/components/card.md
index 5da0ef0393154e62ca67f4f332b3b920a8e619a7..76f4757ec11728f3f115a776b89b71fa842ae2ff 100644
--- a/docs/4.0/components/card.md
+++ b/docs/4.0/components/card.md
@@ -90,6 +90,19 @@ Create lists of content in a card with a flush list group.
 </div>
 {% endexample %}
 
+{% example html %}
+<div class="card" style="width: 20rem;">
+  <div class="card-header">
+    Featured
+  </div>
+  <ul class="list-group list-group-flush">
+    <li class="list-group-item">Cras justo odio</li>
+    <li class="list-group-item">Dapibus ac facilisis in</li>
+    <li class="list-group-item">Vestibulum at eros</li>
+  </ul>
+</div>
+{% endexample %}
+
 ### Kitchen sink
 
 Mix and match multiple content types to create the card you need, or throw everything in there. Shown below are image styles, blocks, text styles, and a list group—all wrapped in a fixed-width card.
diff --git a/docs/4.0/components/carousel.md b/docs/4.0/components/carousel.md
index 4919e1ac28ea2f24ba3a7bc3b8bcbf5d9dfaac8c..af26482674519b45b6a59c59a9f54ae0e82cfdb7 100644
--- a/docs/4.0/components/carousel.md
+++ b/docs/4.0/components/carousel.md
@@ -14,7 +14,7 @@ In browsers where the [Page Visibility API](https://www.w3.org/TR/page-visibilit
 
 Please be aware that nested carousels are not supported, and carousels are generally not compliant with accessibility standards.
 
-Lastly, if you're building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+Lastly, if you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
 
 ## Example
 
@@ -263,6 +263,10 @@ Cycles to the previous item. **Returns to the caller before the previous item ha
 
 Cycles to the next item. **Returns to the caller before the next item has been shown** (i.e. before the `slid.bs.carousel` event occurs).
 
+### `.carousel('dispose')`
+
+Destroys an element's carousel.
+
 ### Events
 
 Bootstrap's carousel class exposes two events for hooking into carousel functionality. Both events have the following additional properties:
diff --git a/docs/4.0/components/collapse.md b/docs/4.0/components/collapse.md
index a34ffeb7ba287d3508a0af450723683ccef2a67f..cd0a7d4e5f56f31ae8e16c8bdc615273b31bf3a7 100644
--- a/docs/4.0/components/collapse.md
+++ b/docs/4.0/components/collapse.md
@@ -226,6 +226,10 @@ Shows a collapsible element. **Returns to the caller before the collapsible elem
 
 Hides a collapsible element. **Returns to the caller before the collapsible element has actually been hidden** (i.e. before the `hidden.bs.collapse` event occurs).
 
+### `.collapse('dispose')`
+
+Destroys an element's collapse.
+
 ### Events
 
 Bootstrap's collapse class exposes a few events for hooking into collapse functionality.
diff --git a/docs/4.0/components/dropdowns.md b/docs/4.0/components/dropdowns.md
index d38b410c78b5f4d09683c45b5ca07e58c485c165..f91ff531288097e497f89e1f2c56046f9b7e6fe7 100644
--- a/docs/4.0/components/dropdowns.md
+++ b/docs/4.0/components/dropdowns.md
@@ -12,7 +12,7 @@ Dropdowns are toggleable, contextual overlays for displaying lists of links and
 
 Dropdowns are built on a third party library, [Popper.js](https://popper.js.org/), which provides dynamic positioning and viewport detection. Be sure to include [popper.min.js]({{ site.cdn.popper }}) before Bootstrap's JavaScript or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper.js.
 
-If you're building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
 
 ## Accessibility
 
@@ -607,6 +607,7 @@ Options can be passed via data attributes or JavaScript. For data attributes, ap
 | --- | --- |
 | `$().dropdown('toggle')` | Toggles the dropdown menu of a given navbar or tabbed navigation. |
 | `$().dropdown('update')` | Updates the position of an element's dropdown. |
+| `$().dropdown('dispose')` | Destroys an element's dropdown. |
 
 ### Events
 
diff --git a/docs/4.0/components/forms.md b/docs/4.0/components/forms.md
index ed4d95b70a5b4a9cb22696a6045a9cc79532fc11..abf6c1e678451ca94b5923d6442cb3c560c873ee 100644
--- a/docs/4.0/components/forms.md
+++ b/docs/4.0/components/forms.md
@@ -264,11 +264,11 @@ The `.form-group` class is the easiest way to add some structure to forms. Its o
 {% example html %}
 <form>
   <div class="form-group">
-    <label class="form-control-label" for="formGroupExampleInput">Example label</label>
+    <label class="col-form-label" for="formGroupExampleInput">Example label</label>
     <input type="text" class="form-control" id="formGroupExampleInput" placeholder="Example input">
   </div>
   <div class="form-group">
-    <label class="form-control-label" for="formGroupExampleInput2">Another label</label>
+    <label class="col-form-label" for="formGroupExampleInput2">Another label</label>
     <input type="text" class="form-control" id="formGroupExampleInput2" placeholder="Another input">
   </div>
 </form>
@@ -314,36 +314,36 @@ More complex layouts can also be created with the grid system.
 <form>
   <div class="form-row">
     <div class="form-group col-md-6">
-      <label for="inputEmail4" class="col-form-label">Email</label>
+      <label for="inputEmail4">Email</label>
       <input type="email" class="form-control" id="inputEmail4" placeholder="Email">
     </div>
     <div class="form-group col-md-6">
-      <label for="inputPassword4" class="col-form-label">Password</label>
+      <label for="inputPassword4">Password</label>
       <input type="password" class="form-control" id="inputPassword4" placeholder="Password">
     </div>
   </div>
   <div class="form-group">
-    <label for="inputAddress" class="col-form-label">Address</label>
+    <label for="inputAddress">Address</label>
     <input type="text" class="form-control" id="inputAddress" placeholder="1234 Main St">
   </div>
   <div class="form-group">
-    <label for="inputAddress2" class="col-form-label">Address 2</label>
+    <label for="inputAddress2">Address 2</label>
     <input type="text" class="form-control" id="inputAddress2" placeholder="Apartment, studio, or floor">
   </div>
   <div class="form-row">
     <div class="form-group col-md-6">
-      <label for="inputCity" class="col-form-label">City</label>
+      <label for="inputCity">City</label>
       <input type="text" class="form-control" id="inputCity">
     </div>
     <div class="form-group col-md-4">
-      <label for="inputState" class="col-form-label">State</label>
+      <label for="inputState">State</label>
       <select id="inputState" class="form-control">
         <option selected>Choose...</option>
         <option>...</option>
       </select>
     </div>
     <div class="form-group col-md-2">
-      <label for="inputZip" class="col-form-label">Zip</label>
+      <label for="inputZip">Zip</label>
       <input type="text" class="form-control" id="inputZip">
     </div>
   </div>
@@ -365,62 +365,87 @@ Create horizontal forms with the grid by adding the `.row` class to form groups
 Be sure to add `.col-form-label` to your `<label>`s as well so they're vertically centered with their associated form controls. For `<legend>` elements, you can use `.col-form-legend` to make them appear similar to regular `<label>` elements.
 
 {% example html %}
-<div class="container">
-  <form>
-    <div class="form-group row">
-      <label for="inputEmail3" class="col-sm-2 col-form-label">Email</label>
-      <div class="col-sm-10">
-        <input type="email" class="form-control" id="inputEmail3" placeholder="Email">
-      </div>
+<form>
+  <div class="form-group row">
+    <label for="inputEmail3" class="col-sm-2 col-form-label">Email</label>
+    <div class="col-sm-10">
+      <input type="email" class="form-control" id="inputEmail3" placeholder="Email">
     </div>
-    <div class="form-group row">
-      <label for="inputPassword3" class="col-sm-2 col-form-label">Password</label>
-      <div class="col-sm-10">
-        <input type="password" class="form-control" id="inputPassword3" placeholder="Password">
-      </div>
+  </div>
+  <div class="form-group row">
+    <label for="inputPassword3" class="col-sm-2 col-form-label">Password</label>
+    <div class="col-sm-10">
+      <input type="password" class="form-control" id="inputPassword3" placeholder="Password">
     </div>
-    <fieldset class="form-group">
-      <div class="row">
-        <legend class="col-form-legend col-sm-2">Radios</legend>
-        <div class="col-sm-10">
-          <div class="form-check">
-            <label class="form-check-label">
-              <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios1" value="option1" checked>
-              Option one is this and that&mdash;be sure to include why it's great
-            </label>
-          </div>
-          <div class="form-check">
-            <label class="form-check-label">
-              <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios2" value="option2">
-              Option two can be something else and selecting it will deselect option one
-            </label>
-          </div>
-          <div class="form-check disabled">
-            <label class="form-check-label">
-              <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios3" value="option3" disabled>
-              Option three is disabled
-            </label>
-          </div>
-        </div>
-      </div>
-    </fieldset>
-    <div class="form-group row">
-      <div class="col-sm-2">Checkbox</div>
+  </div>
+  <fieldset class="form-group">
+    <div class="row">
+      <legend class="col-form-legend col-sm-2">Radios</legend>
       <div class="col-sm-10">
         <div class="form-check">
           <label class="form-check-label">
-            <input class="form-check-input" type="checkbox"> Check me out
+            <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios1" value="option1" checked>
+            Option one is this and that&mdash;be sure to include why it's great
+          </label>
+        </div>
+        <div class="form-check">
+          <label class="form-check-label">
+            <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios2" value="option2">
+            Option two can be something else and selecting it will deselect option one
+          </label>
+        </div>
+        <div class="form-check disabled">
+          <label class="form-check-label">
+            <input class="form-check-input" type="radio" name="gridRadios" id="gridRadios3" value="option3" disabled>
+            Option three is disabled
           </label>
         </div>
       </div>
     </div>
-    <div class="form-group row">
-      <div class="col-sm-10">
-        <button type="submit" class="btn btn-primary">Sign in</button>
+  </fieldset>
+  <div class="form-group row">
+    <div class="col-sm-2">Checkbox</div>
+    <div class="col-sm-10">
+      <div class="form-check">
+        <label class="form-check-label">
+          <input class="form-check-input" type="checkbox"> Check me out
+        </label>
       </div>
     </div>
-  </form>
-</div>
+  </div>
+  <div class="form-group row">
+    <div class="col-sm-10">
+      <button type="submit" class="btn btn-primary">Sign in</button>
+    </div>
+  </div>
+</form>
+{% endexample %}
+
+##### Horizontal form label sizing
+
+Be sure to use `.col-form-label-sm` or `.col-form-label-lg` to your `<label>`s to correctly follow the size of `.form-control-lg` and `.form-control-sm`.
+
+{% example html %}
+<form>
+  <div class="form-group row">
+    <label for="colFormLabelSm" class="col-sm-2 col-form-label col-form-label-sm">Email</label>
+    <div class="col-sm-10">
+      <input type="email" class="form-control form-control-sm" id="colFormLabelSm" placeholder="col-form-label-sm">
+    </div>
+  </div>
+  <div class="form-group row">
+    <label for="colFormLabel" class="col-sm-2 col-form-label">Email</label>
+    <div class="col-sm-10">
+      <input type="email" class="form-control" id="colFormLabel" placeholder="col-form-label">
+    </div>
+  </div>
+  <div class="form-group row">
+    <label for="colFormLabelLg" class="col-sm-2 col-form-label col-form-label-lg">Email</label>
+    <div class="col-sm-10">
+      <input type="email" class="form-control form-control-lg" id="colFormLabelLg" placeholder="col-form-label-lg">
+    </div>
+  </div>
+</form>
 {% endexample %}
 
 #### Column sizing
diff --git a/docs/4.0/components/modal.md b/docs/4.0/components/modal.md
index 491bd3fb8f7a8cc0a5ed2105874e3eed53aed605..c4191b83d1fe8e6b913497b8be125a27140d007d 100644
--- a/docs/4.0/components/modal.md
+++ b/docs/4.0/components/modal.md
@@ -359,11 +359,11 @@ Below is a live demo followed by example HTML and JavaScript. For more informati
       <div class="modal-body">
         <form>
           <div class="form-group">
-            <label for="recipient-name" class="form-control-label">Recipient:</label>
+            <label for="recipient-name" class="col-form-label">Recipient:</label>
             <input type="text" class="form-control" id="recipient-name">
           </div>
           <div class="form-group">
-            <label for="message-text" class="form-control-label">Message:</label>
+            <label for="message-text" class="col-form-label">Message:</label>
             <textarea class="form-control" id="message-text"></textarea>
           </div>
         </form>
@@ -575,6 +575,10 @@ Manually readjust the modal's position if the height of a modal changes while it
 
 {% highlight js %}$('#myModal').modal('handleUpdate'){% endhighlight %}
 
+### `.modal('dispose')`
+
+Destroys an element's modal.
+
 ### Events
 
 Bootstrap's modal class exposes a few events for hooking into modal functionality. All modal events are fired at the modal itself (i.e. at the `<div class="modal">`).
diff --git a/docs/4.0/components/navbar.md b/docs/4.0/components/navbar.md
index f303aa2bcad2c03058cff2af39bdb0f7887b9fce..a40b68897b93d1661452d267cd00c73af649d474 100644
--- a/docs/4.0/components/navbar.md
+++ b/docs/4.0/components/navbar.md
@@ -12,8 +12,9 @@ Here's what you need to know before getting started with the navbar:
 
 - Navbars require a wrapping `.navbar` with `.navbar-expand{-sm|-md|-lg|-xl}` for responsive collapsing and [color scheme](#color-schemes) classes.
 - Navbars and their contents are fluid by default. Use [optional containers](#containers) to limit their horizontal width.
-- Navbars and their contents are built with flexbox, providing easy alignment options via utility classes.
+- Use our [spacing]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/spacing/) and [flex]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/flex/) utility classes for controlling spacing and alignment within navbars.
 - Navbars are responsive by default, but you can easily modify them to change that. Responsive behavior depends on our Collapse JavaScript plugin.
+- Navbars are hidden by default when printing. Force them to be printed by adding `.d-print` to the `.navbar`. See the [display]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/display/) utility class. 
 - Ensure accessibility by using a `<nav>` element or, if using a more generic element such as a `<div>`, add a `role="navigation"` to every navbar to explicitly identify it as a landmark region for users of assistive technologies.
 
 Read on for an example and list of supported sub-components.
@@ -46,6 +47,17 @@ Here's an example of all the sub-components included in a responsive light-theme
       <li class="nav-item">
         <a class="nav-link" href="#">Link</a>
       </li>
+      <li class="nav-item dropdown">
+        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+          Dropdown
+        </a>
+        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
+          <a class="dropdown-item" href="#">Action</a>
+          <a class="dropdown-item" href="#">Another action</a>
+          <div class="dropdown-divider"></div>
+          <a class="dropdown-item" href="#">Something else here</a>
+        </div>
+      </li>
       <li class="nav-item">
         <a class="nav-link disabled" href="#">Disabled</a>
       </li>
@@ -58,6 +70,8 @@ Here's an example of all the sub-components included in a responsive light-theme
 </nav>
 {% endexample %}
 
+This example uses [color]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/colors/) (`bg-light`) and [spacing]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/spacing/) (`my-2`, `my-lg-0`, `mr-sm-0`, `my-sm-0`) utility classes.
+
 ### Brand
 
 The `.navbar-brand` can be applied to most elements, but an anchor works best as some elements might require utility classes or custom styles.
@@ -395,11 +409,13 @@ When the container is within your navbar, its horizontal padding is removed at b
 
 ## Placement
 
-Use our position utilities to place navbars in non-static positions. Choose from fixed to the top, fixed to the bottom, or stickied to the top. **Note that `position: sticky`, used for `.sticky-top`, [isn't fully supported in every browser](https://caniuse.com/#feat=css-sticky).**
+Use our [position utilities]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/position/) to place navbars in non-static positions. Choose from fixed to the top, fixed to the bottom, or stickied to the top (scrolls with the page until it reaches the top, then stays there). Fixed navbars use `position: fixed`, meaning they're pulled from the normal flow of the DOM and may require custom CSS (e.g., `padding-top` on the `<body>`) to prevent overlap with other elements.
+
+Also note that **`.sticky-top` uses `position: sticky`, which [isn't fully supported in every browser](https://caniuse.com/#feat=css-sticky)**.
 
 {% example html %}
 <nav class="navbar navbar-light bg-light">
-  <a class="navbar-brand" href="#">Full width</a>
+  <a class="navbar-brand" href="#">Default</a>
 </nav>
 {% endexample %}
 
diff --git a/docs/4.0/components/navs.md b/docs/4.0/components/navs.md
index b34f79c2f9f28179e79aff2e35c120f752c75b8e..20e822353432c59629ce5597c8ba8866c730a27e 100644
--- a/docs/4.0/components/navs.md
+++ b/docs/4.0/components/navs.md
@@ -297,7 +297,7 @@ Add dropdown menus with a little extra HTML and the [dropdowns JavaScript plugin
 
 Use the tab JavaScript plugin—include it individually or through the compiled `bootstrap.js` file—to extend our navigational tabs and pills to create tabbable panes of local content, even via dropdown menus.
 
-If you're building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
 
 Dynamic tabbed interfaces, as described in the [<abbr title="Web Accessibility Initiative">WAI</abbr> <abbr title="Accessible Rich Internet Applications">ARIA</abbr> Authoring Practices](https://www.w3.org/TR/wai-aria-practices/#tabpanel), require `role="tablist"`, `role="tab"`, `role="tabpanel"`, and additional `aria-` attributes in order to convey their structure, functionality and current state to users of assistive technologies (such as screen readers).
 
@@ -583,6 +583,10 @@ Selects the given tab and shows its associated pane. Any other tab that was prev
 $('#someTab').tab('show')
 {% endhighlight %}
 
+### .tab('dispose')
+
+Destroys an element's tab.
+
 ### Events
 
 When showing a new tab, the events fire in the following order:
diff --git a/docs/4.0/components/popovers.md b/docs/4.0/components/popovers.md
index b8356b0d20004c161927a1e386d6847608c679af..31ff5c61f4dc80f57f098aed0e30598a22b2ef82 100644
--- a/docs/4.0/components/popovers.md
+++ b/docs/4.0/components/popovers.md
@@ -13,16 +13,16 @@ Things to know when using the popover plugin:
 
 - Popovers rely on the 3rd party library [Popper.js](https://popper.js.org/) for positioning. You must include [popper.min.js]({{ site.cdn.popper }}) before bootstrap.js or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper.js in order for popovers to work!
 - Popovers require the [tooltip plugin]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/tooltips/) as a dependency.
-- If building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+- If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
 - Popovers are opt-in for performance reasons, so **you must initialize them yourself**.
 - Zero-length `title` and `content` values will never show a popover.
 - Specify `container: 'body'` to avoid rendering problems in more complex components (like our input groups, button groups, etc).
 - Triggering popovers on hidden elements will not work.
 - Popovers for `.disabled` or `disabled` elements must be triggered on a wrapper element.
-- When triggered from hyperlinks that span multiple lines, popovers will be centered. Use `white-space: nowrap;` on your `<a>`s to avoid this behavior.
+- When triggered from anchors that wrap across multiple lines, popovers will be centered between the anchors' overall width. Use `white-space: nowrap;` on your `<a>`s to avoid this behavior.
 - Popovers must be hidden before their corresponding elements have been removed from the DOM.
 
-Got all that? Great, let's see how they work with some examples.
+Keep reading to see how popovers work with some examples.
 
 ## Example: Enable popovers everywhere
 
@@ -132,7 +132,7 @@ sagittis lacus vel augue laoreet rutrum faucibus.">
 
 ### Dismiss on next click
 
-Use the `focus` trigger to dismiss popovers on the next click that the user makes.
+Use the `focus` trigger to dismiss popovers on the user's next click of a different element than the toggle element.
 
 {% callout danger %}
 #### Specific markup required for dismiss-on-next-click
diff --git a/docs/4.0/components/scrollspy.md b/docs/4.0/components/scrollspy.md
index b7f9e994fd571d58542cc11dee950baec81e5935..ef528b0f02dff523455829a426826e8857c57d50 100644
--- a/docs/4.0/components/scrollspy.md
+++ b/docs/4.0/components/scrollspy.md
@@ -10,8 +10,8 @@ toc: true
 
 Scrollspy has a few requirements to function properly:
 
-- If building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
-- It must to be used on a Bootstrap [nav component]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/navs/) or [list group]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/list-group/).
+- If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+- It must be used on a Bootstrap [nav component]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/navs/) or [list group]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/list-group/).
 - Scrollspy requires `position: relative;` on the element you're spying on, usually the `<body>`.
 - When spying on elements other than the `<body>`, be sure to have a `height` set and `overflow-y: scroll;` applied.
 - Anchors (`<a>`) are required and must point to an element with that `id`.
@@ -280,6 +280,9 @@ $('[data-spy="scroll"]').each(function () {
 })
 {% endhighlight %}
 
+### `.scrollspy('dispose')`
+
+Destroys an element's scrollspy.
 
 ### Options
 
diff --git a/docs/4.0/components/tooltips.md b/docs/4.0/components/tooltips.md
index d3598048df284ec47ce58403b87463f3bfa508fc..766b726ed3daeb2a5fa46e42b3b3bccbe83d32c6 100644
--- a/docs/4.0/components/tooltips.md
+++ b/docs/4.0/components/tooltips.md
@@ -11,7 +11,7 @@ toc: true
 Things to know when using the tooltip plugin:
 
 - Tooltips rely on the 3rd party library [Popper.js](https://popper.js.org/) for positioning. You must include [popper.min.js]({{ site.cdn.popper }}) before bootstrap.js or use `bootstrap.bundle.min.js` / `bootstrap.bundle.js` which contains Popper.js in order for tooltips to work!
-- If building our JS from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
+- If you're building our JavaScript from source, it [requires `util.js`]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/javascript/#util).
 - Tooltips are opt-in for performance reasons, so **you must initialize them yourself**.
 - Tooltips with zero-length titles are never displayed.
 - Specify `container: 'body'` to avoid rendering problems in more complex components (like our input groups, button groups, etc).
diff --git a/docs/4.0/content/tables.md b/docs/4.0/content/tables.md
index 59bdb6373c2bc32b6f4831e54dfa5520cafd825f..d4506c2c9f55c743611c03cccba9500b03ba1999 100644
--- a/docs/4.0/content/tables.md
+++ b/docs/4.0/content/tables.md
@@ -579,11 +579,48 @@ Regular table background variants are not available with the dark table, however
 {% capture callout-include %}{% include callout-warning-color-assistive-technologies.md %}{% endcapture %}
 {{ callout-include | markdownify }}
 
-## Responsive tables
 
-Create responsive tables by adding `.table-responsive{-sm|-md|-lg|-xl}` to any `.table` to make them scroll horizontally at each `max-width` breakpoint 575px, 767px, 991px, and 1199px, respectively.
+## Captions
 
-For responsive tables that always scroll horizontally when the table is wider than its container, add the `.table-responsive` class on `.table`.
+A `<caption>` functions like a heading for a table. It helps users with screen readers to find a table and understand what it’s about and decide if they want to read it.
+
+{% example html %}
+<table class="table">
+  <caption>List of users</caption>
+  <thead>
+    <tr>
+      <th scope="col">#</th>
+      <th scope="col">First Name</th>
+      <th scope="col">Last Name</th>
+      <th scope="col">Username</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th scope="row">1</th>
+      <td>Mark</td>
+      <td>Otto</td>
+      <td>@mdo</td>
+    </tr>
+    <tr>
+      <th scope="row">2</th>
+      <td>Jacob</td>
+      <td>Thornton</td>
+      <td>@fat</td>
+    </tr>
+    <tr>
+      <th scope="row">3</th>
+      <td>Larry</td>
+      <td>the Bird</td>
+      <td>@twitter</td>
+    </tr>
+  </tbody>
+</table>
+{% endexample %}
+
+## Responsive tables
+
+Responsive tables allow tables to be scrolled horizontally with ease. Make any table responsive across all viewports by adding `.table-responsive` class on `.table`. Or, pick a maximum breakpoint with which to have a responsive table up to by adding `.table-responsive{-sm|-md|-lg|-xl}`.
 
 {% callout warning %}
 #### Vertical clipping/truncation
@@ -591,6 +628,8 @@ For responsive tables that always scroll horizontally when the table is wider th
 Responsive tables make use of `overflow-y: hidden`, which clips off any content that goes beyond the bottom or top edges of the table. In particular, this can clip off dropdown menus and other third-party widgets.
 {% endcallout %}
 
+### Always responsive
+
 <div class="bd-example">
   <table class="table table-responsive">
     <thead>
@@ -697,41 +736,57 @@ Responsive tables make use of `overflow-y: hidden`, which clips off any content
 </table>
 {% endhighlight %}
 
+### Breakpoint specific
 
-## Captions
+Use `.table-responsive{-sm|-md|-lg|-xl}` as needed to create responsive tables up to a particular breakpoint. From that breakpoint and up, the table will behave normally and not scroll horizontally.
 
-A `<caption>` functions like a heading for a table. It helps users with screen readers to find a table and understand what it’s about and decide if they want to read it.
-
-{% example html %}
-<table class="table">
-  <caption>List of users</caption>
+<div class="bd-example">
+{% for bp in site.data.breakpoints %}{% unless bp.breakpoint == "xs" %}
+<table class="table table-responsive{{ bp.abbr }}">
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">Table heading</th>
+      <th scope="col">Table heading</th>
+      <th scope="col">Table heading</th>
+      <th scope="col">Table heading</th>
+      <th scope="col">Table heading</th>
     </tr>
   </thead>
   <tbody>
     <tr>
       <th scope="row">1</th>
-      <td>Mark</td>
-      <td>Otto</td>
-      <td>@mdo</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
     </tr>
     <tr>
       <th scope="row">2</th>
-      <td>Jacob</td>
-      <td>Thornton</td>
-      <td>@fat</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
     </tr>
     <tr>
       <th scope="row">3</th>
-      <td>Larry</td>
-      <td>the Bird</td>
-      <td>@twitter</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
+      <td>Table cell</td>
     </tr>
   </tbody>
 </table>
-{% endexample %}
+{% endunless %}{% endfor %}
+</div>
+
+{% highlight html %}
+{% for bp in site.data.breakpoints %}{% unless bp.breakpoint == "xs" %}
+<table class="table table-responsive{{ bp.abbr }}">
+  ...
+</table>
+{% endunless %}{% endfor %}
+{% endhighlight %}
diff --git a/docs/4.0/examples/navbar-bottom/index.html b/docs/4.0/examples/navbar-bottom/index.html
index 3046f9b9ba9c826fce688661f5b33a5fdbdf736e..675428c540b993b1185bfe134b3d41b6f180635f 100644
--- a/docs/4.0/examples/navbar-bottom/index.html
+++ b/docs/4.0/examples/navbar-bottom/index.html
@@ -21,7 +21,7 @@
         <a class="btn btn-lg btn-primary" href="../../components/navbar/" role="button">View navbar docs &raquo;</a>
       </div>
     </div>
-    <nav class="navbar fixed-bottom navbar-expand navbar-dark bg-dark">
+    <nav class="navbar fixed-bottom navbar-expand-sm navbar-dark bg-dark">
       <a class="navbar-brand" href="#">Bottom navbar</a>
       <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
         <span class="navbar-toggler-icon"></span>
diff --git a/docs/4.0/getting-started/accessibility.md b/docs/4.0/getting-started/accessibility.md
index 09d51064e2ce6e4bf9a5ba588d9ab6d73374abc7..0f9e87ae184ac406eb046cd01232e08fa2a2059b 100644
--- a/docs/4.0/getting-started/accessibility.md
+++ b/docs/4.0/getting-started/accessibility.md
@@ -49,5 +49,5 @@ For visually hidden interactive controls, such as traditional "skip" links, `.sr
 - [The A11Y Project](http://a11yproject.com/)
 - [MDN accessibility documentation](https://developer.mozilla.org/en-US/docs/Web/Accessibility)
 - [Tenon.io Accessibility Checker](https://tenon.io/)
-- [Colour Contrast Analyser (CCA)](https://www.paciellogroup.com/resources/contrastanalyser/)
+- [Colour Contrast Analyser (CCA)](https://developer.paciellogroup.com/resources/contrastanalyser/)
 - ["HTML Codesniffer" bookmarklet for identifying accessibility issues](https://github.com/squizlabs/HTML_CodeSniffer)
diff --git a/docs/4.0/getting-started/build-tools.md b/docs/4.0/getting-started/build-tools.md
index 4eb37e31254e48004d4b56b45a4b5ede3eff1af7..3a569af24a79b9ad03d57394410560577246ca2f 100644
--- a/docs/4.0/getting-started/build-tools.md
+++ b/docs/4.0/getting-started/build-tools.md
@@ -46,7 +46,7 @@ Running our documentation locally requires the use of Jekyll, a decently flexibl
 
 1. Run through the [tooling setup](#tooling-setup) above to install Jekyll (the site builder) and other Ruby dependencies with `bundle install`.
 2. From the root `/bootstrap` directory, run `npm run docs-serve` in the command line.
-3. Open <http://localhost:9001> in your browser, and voilà.
+3. Open `http://localhost:9001` in your browser, and voilà.
 
 Learn more about using Jekyll by reading its [documentation](https://jekyllrb.com/docs/home/).
 
diff --git a/docs/4.0/getting-started/download.md b/docs/4.0/getting-started/download.md
index 9f11993179672c414fb8f1f762665de59e3226e8..c93d6dc34ab9c9446af68708d676141b748f30eb 100644
--- a/docs/4.0/getting-started/download.md
+++ b/docs/4.0/getting-started/download.md
@@ -68,13 +68,13 @@ Bootstrap's `package.json` contains some additional metadata under the following
 Install Bootstrap in your Ruby apps using [Bundler](https://bundler.io/) (**recommended**) and [RubyGems](https://rubygems.org/) by adding the following line to your [`Gemfile`](https://bundler.io/gemfile.html):
 
 {% highlight ruby %}
-gem 'bootstrap', '~> 4.0.0.beta'
+gem 'bootstrap', '~> {{ site.current_ruby_version }}'
 {% endhighlight %}
 
 Alternatively, if you're not using Bundler, you can install the gem by running this command:
 
 {% highlight sh %}
-gem install bootstrap -v 4.0.0.beta
+gem install bootstrap -v {{ site.current_ruby_version }}
 {% endhighlight %}
 
 [See the gem's README](https://github.com/twbs/bootstrap-rubygem/blob/master/README.md) for further details.
diff --git a/docs/4.0/getting-started/javascript.md b/docs/4.0/getting-started/javascript.md
index 648132255bce847ec150507bbe6b9b8f44d91483..a0094d154c02bb16c6f543c0bb8631a369c90263 100644
--- a/docs/4.0/getting-started/javascript.md
+++ b/docs/4.0/getting-started/javascript.md
@@ -120,6 +120,6 @@ Bootstrap's plugins don't fall back particularly gracefully when JavaScript is d
 
 ## Util
 
-All Bootstrap's JavaScript files depend on `util.js` and it has to be included alongside the other JS files. If you're using the compiled (or minified) `bootstrap.js`, there is no need to include this—it's already there.
+All Bootstrap's JavaScript files depend on `util.js` and it has to be included alongside the other JavaScript files. If you're using the compiled (or minified) `bootstrap.js`, there is no need to include this—it's already there.
 
 `util.js` includes utility functions and a basic helper for `transitionEnd` events as well as a CSS transition emulator. It's used by the other plugins to check for CSS transition support and to catch hanging transitions.
diff --git a/docs/4.0/getting-started/theming.md b/docs/4.0/getting-started/theming.md
index 15c5caa0be1fe261457133dee22faabf2b48d77e..12f309aaf16faa20c37a00efb91f1537627df160 100644
--- a/docs/4.0/getting-started/theming.md
+++ b/docs/4.0/getting-started/theming.md
@@ -11,7 +11,7 @@ redirect_from: "/docs/4.0/getting-started/options/"
 
 In Bootstrap 3, theming was largely driven by variable overrides in LESS, custom CSS, and a separate theme stylesheet that we included in our `dist` files. With some effort, one could completely redesign the look of Bootstrap 3 without touching the core files. Bootstrap 4 provides a familiar, but slightly different approach.
 
-Now, theming is accomplished by Sass variables, Sass maps, and custom CSS. There's no more dedicated theme stylesheet anymore; instead, you can enable the built-in theme to add gradients, shadows, and more.
+Now, theming is accomplished by Sass variables, Sass maps, and custom CSS. There's no more dedicated theme stylesheet; instead, you can enable the built-in theme to add gradients, shadows, and more.
 
 ## Sass
 
@@ -19,7 +19,7 @@ Utilize our source Sass files to take advantage of variables, maps, mixins, and
 
 ### File structure
 
-Whenever possible, avoid modifying Bootstrap's core files. For Sass, that means creating your own stylesheet that imports Bootstrap so you can modify and extend it. Assuming you've downloaded our source files or are using package manager, you'll have a file structure that looks like this:
+Whenever possible, avoid modifying Bootstrap's core files. For Sass, that means creating your own stylesheet that imports Bootstrap so you can modify and extend it. Assuming you've downloaded our source files or are using a package manager, you'll have a file structure that looks like this:
 
 {% highlight plaintext %}
 your-project/
@@ -148,6 +148,36 @@ In practice, you'd call the function and pass in two parameters: the name of the
 
 Additional functions could be added in the future or your own custom Sass to create level functions for additional Sass maps, or even a generic one if you wanted to be more verbose.
 
+### Color contrast
+
+One additional function we include in Bootstrap is the color contrast function, `color-yiq`. It utilizes the [YIQ color space](https://en.wikipedia.org/wiki/YIQ) to automatically return a light (`#fff`) or dark (`#111`) contrast color based on the specified base color. This function is especially useful for mixins or loops where you're generating multiple classes.
+
+For example, to generate color swatches from our `$theme-colors` map:
+
+{% highlight scss %}
+@each $color, $value in $theme-colors {
+  .swatch-#{$color} {
+    color: color-yiq($value);
+  }
+}
+{% endhighlight %}
+
+It can also be used for one-off contrast needs:
+
+{% highlight scss %}
+.custom-element {
+  color: color-yiq(#000); // returns `color: #fff`
+}
+{% endhighlight %}
+
+You can also specify a base color with our color map functions:
+
+{% highlight scss %}
+.custom-element {
+  color: color-yiq(theme-color("dark")); // returns `color: #fff`
+}
+{% endhighlight %}
+
 ## Sass options
 
 Customize Bootstrap 4 with our built-in custom variables file and easily toggle global CSS preferences with new `$enable-*` Sass variables. Override a variable's value and recompile with `npm run test` as needed.
@@ -172,7 +202,7 @@ Many of Bootstrap's various components and utilities are built through a series
 
 ### All colors
 
-All colors available in Bootstrap 4, available as Sass variables and a Sass map in our `scss/_variables.scss` file. This will be expanded upon in subsequent minor releases to add additional shades, much like the [grayscale palette](#grays) we already include.
+All colors available in Bootstrap 4, are available as Sass variables and a Sass map in our `scss/_variables.scss` file. This will be expanded upon in subsequent minor releases to add additional shades, much like the [grayscale palette](#grays) we already include.
 
 <div class="row">
   {% for color in site.data.colors %}
diff --git a/docs/4.0/layout/overview.md b/docs/4.0/layout/overview.md
index c86a432d3c4cd0644a69710bc768086c49383557..4952da5b780f9e201d292fc8ed9cfaed1c50ccde 100644
--- a/docs/4.0/layout/overview.md
+++ b/docs/4.0/layout/overview.md
@@ -163,8 +163,8 @@ We don't encourage customization of these values; should you change one, you lik
 
 ```scss
 $zindex-dropdown:          1000 !default;
+$zindex-sticky:            1020 !default;
 $zindex-fixed:             1030 !default;
-$zindex-sticky:            1030 !default;
 $zindex-modal-backdrop:    1040 !default;
 $zindex-modal:             1050 !default;
 $zindex-popover:           1060 !default;
@@ -172,3 +172,5 @@ $zindex-tooltip:           1070 !default;
 ```
 
 Background elements—like the backdrops that allow click-dismissing—tend to reside on a lower `z-index`s, while navigation and popovers utilize higher `z-index`s to ensure they overlay surrounding content.
+
+Additionally, the `button-group`, `input-group`, `list-group`, and `pagination` components make use of setting `z-index` to `1` or `2` in order to ensure that the borders of the _active_ element correctly appear "above" their sibling elements.
diff --git a/docs/4.0/migration.md b/docs/4.0/migration.md
index 8a0d3d3faad6a2dcebdda0fb3aabb5faeb44f234..c8c1fd6b41aa26801f284909742c55c51f8bee64 100644
--- a/docs/4.0/migration.md
+++ b/docs/4.0/migration.md
@@ -17,7 +17,9 @@ While in beta, we aim to have no breaking changes. However, things don't always
 - Renamed `.table-inverse`, `.thead-inverse`, and `.thead-default` to `.*-dark` and `.*-light`, matching our color schemes used elsewhere.
 - Responsive tables now generate classes for each grid breakpoint. This breaks from Beta 1 in that the `.table-responsive` you've been using is more like `.table-responsive-md`. You may now use `.table-responsive` or `.table-responsive-{sm,md,lg,xl}` as needed.
 - Dropped Bower support as the package manager has been deprecated for alternatives (e.g., Yarn or npm). [See bower/bower#2298](https://github.com/bower/bower/issues/2298) for details.
-- Bootstrap now requires jQuery 3.0.0 or higher.
+- Bootstrap still requires jQuery 1.9.1 or higher, but you're advised to use version 3.x since v3.x's supported browsers are the ones Bootstrap supports plus v3.x has some security fixes.
+- Removed the unused `.form-control-label` class. If you did make use of this class, it was duplicate of the `.col-form-label` class that vertically centered a `<label>` with it's associated input in horizontal form layouts.
+- Changed the `color-yiq` from a mixin that included the `color` property to a function that returns a value, allowing you to use it for any CSS property. For example, instead of `color-yiq(#000)`, you'd write `color: color-yiq(#000);`.
 
 ### Highlights
 
@@ -109,7 +111,7 @@ New to Bootstrap 4 is the [Reboot]({{ site.baseurl }}/docs/{{ site.docs_version
 ### Forms
 
 - Moved element resets to the `_reboot.scss` file.
-- Renamed `.control-label` to `.form-control-label`.
+- Renamed `.control-label` to `.col-form-label`.
 - Renamed `.input-lg` and `.input-sm` to `.form-control-lg` and `.form-control-sm`, respectively.
 - Dropped `.form-group-*` classes for simplicity's sake. Use `.form-control-*` classes instead now.
 - Dropped `.help-block` and replaced it with `.form-text` for block-level help text. For inline help text and other flexible options, use utility classes like `.text-muted`.
@@ -118,7 +120,7 @@ New to Bootstrap 4 is the [Reboot]({{ site.baseurl }}/docs/{{ site.docs_version
 - Horizontal forms overhauled:
   - Dropped the `.form-horizontal` class requirement.
   - `.form-group` no longer applies styles from the `.row` via mixin, so `.row` is now required for horizontal grid layouts (e.g., `<div class="form-group row">`).
-  - Added new `.form-control-label` class to vertically center labels with `.form-control`s.
+  - Added new `.col-form-label` class to vertically center labels with `.form-control`s.
   - Added new `.form-row` for compact form layouts with the grid classes (swap your `.row` for a `.form-row` and go).
 - Added custom forms support (for checkboxes, radios, selects, and file inputs).
 - Replaced `.has-error`, `.has-warning`, and `.has-success` classes with HTML5 form validation via CSS's `:invalid` and `:valid` pseudo-classes.
@@ -128,7 +130,7 @@ New to Bootstrap 4 is the [Reboot]({{ site.baseurl }}/docs/{{ site.docs_version
 
 - Renamed `.btn-default` to `.btn-secondary`.
 - Dropped the `.btn-xs` class entirely as `.btn-sm` is proportionally much smaller than v3's.
-- The [stateful button]({{ site.baseurl }}/docs/3.3/javascript/#buttons-stateful) feature of the `button.js` jQuery plugin has been dropped. This includes the `$().button(string)` and `$().button('reset')` methods. We advise using a tiny bit of custom JavaScript instead, which will have the benefit of behaving exactly the way you want it to.
+- The [stateful button]({{ site.url }}/docs/3.3/javascript/#buttons-stateful) feature of the `button.js` jQuery plugin has been dropped. This includes the `$().button(string)` and `$().button('reset')` methods. We advise using a tiny bit of custom JavaScript instead, which will have the benefit of behaving exactly the way you want it to.
   - Note that the other features of the plugin (button checkboxes, button radios, single-toggle buttons) have been retained in v4.
 - Change buttons' `[disabled]` to `:disabled` as IE9+ supports `:disabled`. However `fieldset[disabled]` is still necessary because [native disabled fieldsets are still buggy in IE11](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/fieldset#Browser_compatibility).
 
diff --git a/docs/4.0/utilities/colors.md b/docs/4.0/utilities/colors.md
index 13c0adc8a1bf78166bb2a6e6d0f02da269564d62..10d6e5ae341deda8a991e50ddade28291deacf39 100644
--- a/docs/4.0/utilities/colors.md
+++ b/docs/4.0/utilities/colors.md
@@ -6,6 +6,8 @@ group: utilities
 toc: true
 ---
 
+## Color
+
 {% example html %}
 {% for color in site.data.theme-colors %}
 <p class="text-{{ color.name }}{% if color.name == "light" %} bg-dark{% endif %}">.text-{{ color.name }}</p>{% endfor %}
@@ -22,6 +24,8 @@ Contextual text classes also work well on anchors with the provided hover and fo
 <p><a href="#" class="text-white bg-dark">White link</a></p>
 {% endexample %}
 
+## Background color
+
 Similar to the contextual text color classes, easily set the background of an element to any contextual class. Anchor components will darken on hover, just like the text classes. Background utilities **do not set `color`**, so in some cases you'll want to use `.text-*` utilities.
 
 {% example html %}
@@ -30,6 +34,15 @@ Similar to the contextual text color classes, easily set the background of an el
 <div class="p-3 mb-2 bg-white text-dark">.bg-white</div>
 {% endexample %}
 
+## Background gradient
+
+When `$enable-gradients` is set to true, you'll be able to use `.bg-gradient-` utility classes. **By default, `$enable-gradients` is disabled and the example below is intentionally broken.** This is done for easier customization from the moment you start using Bootstrap. [Learn about our Sass options]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/theming/#sass-options) to enable these classes and more.
+
+{% example html %}
+{% for color in site.data.theme-colors %}
+<div class="p-3 mb-2 bg-gradient-{{ color.name }} {% if color.name == "light" %}text-dark{% else %}text-white{% endif %}">.bg-gradient-{{ color.name }}</div>{% endfor %}
+{% endexample %}
+
 {% callout info %}
 #### Dealing with specificity
 
diff --git a/docs/4.0/utilities/flex.md b/docs/4.0/utilities/flex.md
index 1d28fab6dddb65b10de16e9ab05feefae0ff9837..470a7db72316f2c26c894aa16b641bf8a37c4158 100644
--- a/docs/4.0/utilities/flex.md
+++ b/docs/4.0/utilities/flex.md
@@ -215,20 +215,24 @@ Responsive variations also exist for `align-self`.
 
 ## Auto margins
 
-Flexbox can do some pretty awesome things when you mix flex alignments with auto margins.
+Flexbox can do some pretty awesome things when you mix flex alignments with auto margins. Shown below are three examples of controlling flex items via auto margins: default (no auto margin), pushing two items to the right (`.mr-auto`), and pushing two items to the left (`.ml-auto`).
 
-### With justify-content
-
-Easily move all flex items to one side, but keep another on the opposite end by mixing `justify-content` with `margin-right: auto` or `margin-left: auto`.
+**Unfortunately, IE10 and IE11 do not properly support auto margins on flex items whose parent has a non-default `justify-content` value.** [See this StackOverflow answer](https://stackoverflow.com/a/37535548) for more details.
 
 {% example html %}
-<div class="d-flex justify-content-end bd-highlight mb-3">
+<div class="d-flex bd-highlight mb-3">
+  <div class="p-2 bd-highlight">Flex item</div>
+  <div class="p-2 bd-highlight">Flex item</div>
+  <div class="p-2 bd-highlight">Flex item</div>
+</div>
+
+<div class="d-flex bd-highlight mb-3">
   <div class="mr-auto p-2 bd-highlight">Flex item</div>
   <div class="p-2 bd-highlight">Flex item</div>
   <div class="p-2 bd-highlight">Flex item</div>
 </div>
 
-<div class="d-flex justify-content-start bd-highlight">
+<div class="d-flex bd-highlight mb-3">
   <div class="p-2 bd-highlight">Flex item</div>
   <div class="p-2 bd-highlight">Flex item</div>
   <div class="ml-auto p-2 bd-highlight">Flex item</div>
@@ -237,7 +241,7 @@ Easily move all flex items to one side, but keep another on the opposite end by
 
 ### With align-items
 
-Similarly, move one flex item to the top or bottom of a container by mixing `align-items`, `flex-direction: column`, and `margin-top: auto` or `margin-bottom: auto`.
+Vertically move one flex item to the top or bottom of a container by mixing `align-items`, `flex-direction: column`, and `margin-top: auto` or `margin-bottom: auto`.
 
 {% example html %}
 <div class="d-flex align-items-start flex-column bd-highlight mb-3" style="height: 200px;">
diff --git a/index.html b/index.html
index 29559c0e67272d083bdaf8fe23894453800c523a..62fdc71d148f1d09de3bd32f729beb3c9fb6c485 100644
--- a/index.html
+++ b/index.html
@@ -41,7 +41,7 @@ npm install bootstrap@{{ site.current_version }}
 {% endhighlight %}
 
 {% highlight sh %}
-gem install bootstrap -v 4.0.0.beta
+gem install bootstrap -v {{ site.current_ruby_version }}
 {% endhighlight %}
 
     <hr class="half-rule">
diff --git a/js/dist/alert.js b/js/dist/alert.js
index 18235b19e685d40a470245fd309bb21a7bc1095e..c7ba7ed3b321b63646853297539e4ec96225d0ea 100644
--- a/js/dist/alert.js
+++ b/js/dist/alert.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Alert = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'alert';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/alert.js.map b/js/dist/alert.js.map
index e75d575247137afd40ed2c04ea0c04db061e7860..90309fe2c4ae39b71a1cadd4415d7298ba9c39eb 100644
Binary files a/js/dist/alert.js.map and b/js/dist/alert.js.map differ
diff --git a/js/dist/button.js b/js/dist/button.js
index dfd0f7c559f6d503bc608f11ee9b55568777e558..5f4acdbadb47840c2c27306e24207365ac61ac28 100644
--- a/js/dist/button.js
+++ b/js/dist/button.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Button = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'button';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/button.js.map b/js/dist/button.js.map
index 35a97eaac17c23cbd6e249aac48317a476832193..3be178a0fe448595efafb3e016b59d063758c36f 100644
Binary files a/js/dist/button.js.map and b/js/dist/button.js.map differ
diff --git a/js/dist/carousel.js b/js/dist/carousel.js
index d9d92e89c7aee4c906da4b9053a4bc2d188288e4..befa01f6b599b08f49212f13f988f9ab47eb1a57 100644
--- a/js/dist/carousel.js
+++ b/js/dist/carousel.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Carousel = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'carousel';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/carousel.js.map b/js/dist/carousel.js.map
index 43f666b9118e7eb8d222d20811b9487d3742978a..e746685043e04441a5e177c18483343d06b0489b 100644
Binary files a/js/dist/carousel.js.map and b/js/dist/carousel.js.map differ
diff --git a/js/dist/collapse.js b/js/dist/collapse.js
index d54061a6860fba8906b9ed03ec33f43b5c2241f9..26d10864adf4ba0eef1d77b113f58054ddb7d2d3 100644
--- a/js/dist/collapse.js
+++ b/js/dist/collapse.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Collapse = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'collapse';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/collapse.js.map b/js/dist/collapse.js.map
index 7f0bc9e35070c13ba5aef03fc38f128d917eca95..c1f9c97d952067a809c29ca988531df0425bfe01 100644
Binary files a/js/dist/collapse.js.map and b/js/dist/collapse.js.map differ
diff --git a/js/dist/dropdown.js b/js/dist/dropdown.js
index e921f5b49f7bd221673498a135428cf476d52dc2..0fc2dc8bf99d47b0a565f40726255e906df27288 100644
--- a/js/dist/dropdown.js
+++ b/js/dist/dropdown.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Dropdown = function () {
 
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/dropdown.js.map b/js/dist/dropdown.js.map
index aa303256b7e21ded5edc1826d44665435f511c52..8699ec5d8b225e52173a349f29b5d3aa34bd0ed2 100644
Binary files a/js/dist/dropdown.js.map and b/js/dist/dropdown.js.map differ
diff --git a/js/dist/index.js b/js/dist/index.js
index 36d3507e7d78cf87751061b3cef728c58802292a..e68e95240c08e388b44881d7d704576622e97537 100644
--- a/js/dist/index.js
+++ b/js/dist/index.js
@@ -10,11 +10,14 @@
   }
 
   var version = $.fn.jquery.split(' ')[0].split('.');
-  var min = 3;
-  var max = 4;
+  var minMajor = 1;
+  var ltMajor = 2;
+  var minMinor = 9;
+  var minPatch = 1;
+  var maxMajor = 4;
 
-  if (version[0] < min || version[0] >= max) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
   }
 })($);
 //# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/js/dist/index.js.map b/js/dist/index.js.map
index 60a1c3fc904cc6a0e20b967b8271db6fd64c72bf..65de13f33896344f30747c4b2c148ba1ed20eb17 100644
Binary files a/js/dist/index.js.map and b/js/dist/index.js.map differ
diff --git a/js/dist/modal.js b/js/dist/modal.js
index 0395451edbfd8b5d90a94ce8ea75a8325b527782..4cbd9553eaed60532d3c26dc21af4361d468d3b4 100644
--- a/js/dist/modal.js
+++ b/js/dist/modal.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Modal = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'modal';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/modal.js.map b/js/dist/modal.js.map
index 2a9980615601ba2afd65ef16c0a7969e9759eaf8..9280b55059d635a7a1b7d46914f33afefb6b4028 100644
Binary files a/js/dist/modal.js.map and b/js/dist/modal.js.map differ
diff --git a/js/dist/popover.js b/js/dist/popover.js
index 3a536e3e08aa2c7d7f2192d7886069dec01bf26c..6d69f0c4057ab026339c0883f4b9aee5a0038dd4 100644
--- a/js/dist/popover.js
+++ b/js/dist/popover.js
@@ -6,7 +6,7 @@ function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.crea
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -17,7 +17,7 @@ var Popover = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'popover';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
diff --git a/js/dist/popover.js.map b/js/dist/popover.js.map
index ef6d5e9971926a0928c780216cfc09c9e0fcb959..20481b367fee70ef8097ebf051b21fbf7b94d96d 100644
Binary files a/js/dist/popover.js.map and b/js/dist/popover.js.map differ
diff --git a/js/dist/scrollspy.js b/js/dist/scrollspy.js
index e5d1f5fc7c27355f58f09b3748457fdbcd4f68a0..6e4c4297c8d31bf4cf677d5ee57ebe25cdedee3b 100644
--- a/js/dist/scrollspy.js
+++ b/js/dist/scrollspy.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var ScrollSpy = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/scrollspy.js.map b/js/dist/scrollspy.js.map
index 177eb4c5cbe359a00b080cb73956de207dad876d..454c729bb2ad3126e74d293856f745d104435436 100644
Binary files a/js/dist/scrollspy.js.map and b/js/dist/scrollspy.js.map differ
diff --git a/js/dist/tab.js b/js/dist/tab.js
index d0ef682cc85eb604426ed325bdd02ba4b04c5e88..c8bcd12750eb19e047ac341bcf129a2243a3aa72 100644
--- a/js/dist/tab.js
+++ b/js/dist/tab.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Tab = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'tab';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
diff --git a/js/dist/tab.js.map b/js/dist/tab.js.map
index 988e64baa23a1be560cea004133db95266d607e1..861bed0a93258921adbad238b74a96394bb2a226 100644
Binary files a/js/dist/tab.js.map and b/js/dist/tab.js.map differ
diff --git a/js/dist/tooltip.js b/js/dist/tooltip.js
index 4b4006888decf9ae1f3cd218930312baf3a44076..c00a813ece3216b076a4612a99571c399cbcd50b 100644
--- a/js/dist/tooltip.js
+++ b/js/dist/tooltip.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Tooltip = function () {
 
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
diff --git a/js/dist/tooltip.js.map b/js/dist/tooltip.js.map
index 9345c268069ab53ee0788018bfc6f0cb371e5e39..c3180bcfc0e851750c9ecd5dd45dbc504b2f939f 100644
Binary files a/js/dist/tooltip.js.map and b/js/dist/tooltip.js.map differ
diff --git a/js/dist/util.js b/js/dist/util.js
index 5a3ecd8b635bbd8f948fdf6387599af39ef8505a..a4df0725304ca7e238379ee191d2254709f6ef36 100644
--- a/js/dist/util.js
+++ b/js/dist/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
diff --git a/js/dist/util.js.map b/js/dist/util.js.map
index edd5ef517f3fbb6c2d5226a0ee9f499d7503a335..b0d0327dd4b7266970d458061a59cf06c324d817 100644
Binary files a/js/dist/util.js.map and b/js/dist/util.js.map differ
diff --git a/js/src/alert.js b/js/src/alert.js
index 9d6c498b94f5e6228622ab56033618f0372957c7..420aa84a306a4f2038c7dce5e07588f4dda4ba69 100644
--- a/js/src/alert.js
+++ b/js/src/alert.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Alert = (() => {
    */
 
   const NAME                = 'alert'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.alert'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
diff --git a/js/src/button.js b/js/src/button.js
index 7bf5e87dd7d33e6ed8e545af97ab08b23c2c29ff..9227da9516d9314f85c81215167b0f069f7c1578 100644
--- a/js/src/button.js
+++ b/js/src/button.js
@@ -1,7 +1,7 @@
 import $ from 'jquery'
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -16,7 +16,7 @@ const Button = (() => {
    */
 
   const NAME                = 'button'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.button'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
diff --git a/js/src/carousel.js b/js/src/carousel.js
index 3a6d7a4bc56fa6315fc7ffa8b6b54f13da506294..964f7fda6e08f8740bdda55a17bb5b645a737f8c 100644
--- a/js/src/carousel.js
+++ b/js/src/carousel.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Carousel = (() => {
    */
 
   const NAME                   = 'carousel'
-  const VERSION                = '4.0.0-beta'
+  const VERSION                = '4.0.0-beta.2'
   const DATA_KEY               = 'bs.carousel'
   const EVENT_KEY              = `.${DATA_KEY}`
   const DATA_API_KEY           = '.data-api'
diff --git a/js/src/collapse.js b/js/src/collapse.js
index d29e487228348fcb119efe4763b303a57d25d135..8e84d7b59e7a898786e4b226f217b3c944414353 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Collapse = (() => {
    */
 
   const NAME                = 'collapse'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.collapse'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
diff --git a/js/src/dropdown.js b/js/src/dropdown.js
index 3a910996b0d60062c5e2c1debd8fcfc2d640e83e..8fdddd68972d89cce70d5de038cd4ad24ab9bfc1 100644
--- a/js/src/dropdown.js
+++ b/js/src/dropdown.js
@@ -5,7 +5,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -27,7 +27,7 @@ const Dropdown = (() => {
    */
 
   const NAME                     = 'dropdown'
-  const VERSION                  = '4.0.0-beta'
+  const VERSION                  = '4.0.0-beta.2'
   const DATA_KEY                 = 'bs.dropdown'
   const EVENT_KEY                = `.${DATA_KEY}`
   const DATA_API_KEY             = '.data-api'
diff --git a/js/src/index.js b/js/src/index.js
index 2629e507fc0a778056322f2844454b9fea6709e5..f30b94c57619b73c17dba8b471a67ec6009793e6 100644
--- a/js/src/index.js
+++ b/js/src/index.js
@@ -24,10 +24,14 @@ import Util from './util'
   }
 
   const version = $.fn.jquery.split(' ')[0].split('.')
-  const min = 3
-  const max = 4
-  if (version[0] < min || version[0] >= max) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0')
+  const minMajor = 1
+  const ltMajor  = 2
+  const minMinor = 9
+  const minPatch = 1
+  const maxMajor = 4
+
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')
   }
 })($)
 
diff --git a/js/src/modal.js b/js/src/modal.js
index 399adc4c129827243a540505cd0996cccbd6760c..07fdc9f4fc4966acb310db4517ea311e6a535552 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Modal = (() => {
    */
 
   const NAME                         = 'modal'
-  const VERSION                      = '4.0.0-beta'
+  const VERSION                      = '4.0.0-beta.2'
   const DATA_KEY                     = 'bs.modal'
   const EVENT_KEY                    = `.${DATA_KEY}`
   const DATA_API_KEY                 = '.data-api'
diff --git a/js/src/popover.js b/js/src/popover.js
index 89c78f4fee6d8d0cc4b924d0aace416b4730fed7..ff697d85acf9bcbb1372b21c088a6b86a7d7dc9a 100644
--- a/js/src/popover.js
+++ b/js/src/popover.js
@@ -4,7 +4,7 @@ import Tooltip from './tooltip'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Popover = (() => {
    */
 
   const NAME                = 'popover'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.popover'
   const EVENT_KEY           = `.${DATA_KEY}`
   const JQUERY_NO_CONFLICT  = $.fn[NAME]
diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
index c844bd53047bad266b989da99d324938cd47745b..a0e24dd2291c7fe2f90f494522d5aaf0c522fc1e 100644
--- a/js/src/scrollspy.js
+++ b/js/src/scrollspy.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const ScrollSpy = (() => {
    */
 
   const NAME               = 'scrollspy'
-  const VERSION            = '4.0.0-beta'
+  const VERSION            = '4.0.0-beta.2'
   const DATA_KEY           = 'bs.scrollspy'
   const EVENT_KEY          = `.${DATA_KEY}`
   const DATA_API_KEY       = '.data-api'
diff --git a/js/src/tab.js b/js/src/tab.js
index 17699dfbe48d8d95ab61ee3c571050fbd47f6c73..982121cc00273b9a7b161f9cdf52e9a3b8822920 100644
--- a/js/src/tab.js
+++ b/js/src/tab.js
@@ -4,7 +4,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -19,7 +19,7 @@ const Tab = (() => {
    */
 
   const NAME                = 'tab'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.tab'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 8d262f4ad6707b9d743f4a87b4840338b455c8e6..ee721a19d0870cad1e3e51d588b892f5c968fa04 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -5,7 +5,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -28,7 +28,7 @@ const Tooltip = (() => {
    */
 
   const NAME                = 'tooltip'
-  const VERSION             = '4.0.0-beta'
+  const VERSION             = '4.0.0-beta.2'
   const DATA_KEY            = 'bs.tooltip'
   const EVENT_KEY           = `.${DATA_KEY}`
   const JQUERY_NO_CONFLICT  = $.fn[NAME]
diff --git a/js/src/util.js b/js/src/util.js
index a756600144c11e509dfab88cb82cba147eeb9a72..16d114b1ab999963d2793549329630ab77185ec0 100644
--- a/js/src/util.js
+++ b/js/src/util.js
@@ -2,7 +2,7 @@ import $ from 'jquery'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
diff --git a/package-lock.json b/package-lock.json
index bc5c6b5fc1eb3294a947e336e2bed1a8b900779f..dada1d0f978ef8d48b3b7f9b5da8e4b30581eff7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "bootstrap",
-  "version": "4.0.0-beta",
+  "version": "4.0.0-beta.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -243,7 +243,7 @@
       "dev": true,
       "requires": {
         "browserslist": "2.5.1",
-        "caniuse-lite": "1.0.30000745",
+        "caniuse-lite": "1.0.30000746",
         "normalize-range": "0.1.2",
         "num2fraction": "1.2.2",
         "postcss": "6.0.13",
@@ -1245,8 +1245,8 @@
       "integrity": "sha512-jAvM2ku7YDJ+leAq3bFH1DE0Ylw+F+EQDq4GkqZfgPEqpWYw9ofQH85uKSB9r3Tv7XDbfqVtE+sdvKJW7IlPJA==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "1.0.30000745",
-        "electron-to-chromium": "1.3.24"
+        "caniuse-lite": "1.0.30000746",
+        "electron-to-chromium": "1.3.26"
       }
     },
     "builtin-modules": {
@@ -1265,9 +1265,9 @@
       }
     },
     "bundlesize": {
-      "version": "0.15.2",
-      "resolved": "https://registry.npmjs.org/bundlesize/-/bundlesize-0.15.2.tgz",
-      "integrity": "sha512-qtn2xv9yd02nTSEzW/qWAEgzjrZhoqxb7v3uE0l0LyuCE3VbVjfxJ+ZmIiAN/Gxv4ystlFFSkOjNGTQDf+pCJA==",
+      "version": "0.15.3",
+      "resolved": "https://registry.npmjs.org/bundlesize/-/bundlesize-0.15.3.tgz",
+      "integrity": "sha512-CqLtaDKQFZVh9l53Py67lJOLOT//aNrmF9xT1v5cS080bbqyhOdTX5+LuoVI8LOKa351fUikGcxsQDYWQXfizg==",
       "dev": true,
       "requires": {
         "axios": "0.16.2",
@@ -1328,15 +1328,15 @@
       }
     },
     "caniuse-db": {
-      "version": "1.0.30000745",
-      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000745.tgz",
-      "integrity": "sha1-slmmFzej5IxPtLaxvETt6yZM1CI=",
+      "version": "1.0.30000746",
+      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000746.tgz",
+      "integrity": "sha1-UBCYxm9fu/Y0wC8lUIsF6ICZEPQ=",
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30000745",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000745.tgz",
-      "integrity": "sha1-INb+3hFXpJNRM1ApRvx+DmuIDaU=",
+      "version": "1.0.30000746",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000746.tgz",
+      "integrity": "sha1-xk+Vo5Jc/TAgejCO12wa6W6gnqA=",
       "dev": true
     },
     "capture-stack-trace": {
@@ -1524,6 +1524,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colors": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
+      "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM=",
+      "dev": true
+    },
     "combined-stream": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
@@ -1861,9 +1867,9 @@
       }
     },
     "electron-to-chromium": {
-      "version": "1.3.24",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.24.tgz",
-      "integrity": "sha1-m3uIuwXOufoBahd4M8wt3jiPIbY=",
+      "version": "1.3.26",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.26.tgz",
+      "integrity": "sha1-mWQnKUhhp02cfIK5Jg6jAejALWY=",
       "dev": true
     },
     "encoding": {
@@ -1939,9 +1945,9 @@
       "dev": true
     },
     "eslint": {
-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-4.8.0.tgz",
-      "integrity": "sha1-Ip7w41Tg5h2DfHqA/fuoJeGZgV4=",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-4.9.0.tgz",
+      "integrity": "sha1-doedJ0BoJhsZH+Dy9Wx0wvQgjos=",
       "dev": true,
       "requires": {
         "ajv": "5.2.3",
@@ -2063,7 +2069,7 @@
       "requires": {
         "babel-runtime": "6.26.0",
         "browserslist": "2.5.1",
-        "caniuse-db": "1.0.30000745",
+        "caniuse-db": "1.0.30000746",
         "requireindex": "1.1.0"
       }
     },
@@ -2684,6 +2690,15 @@
         "is-glob": "2.0.1"
       }
     },
+    "global-dirs": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/global-dirs/-/global-dirs-0.1.0.tgz",
+      "integrity": "sha1-ENNAOeDfBCcuJizyQiT3IJQ0308=",
+      "dev": true,
+      "requires": {
+        "ini": "1.3.4"
+      }
+    },
     "global-modules": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/global-modules/-/global-modules-0.2.3.tgz",
@@ -3249,6 +3264,16 @@
         "is-extglob": "1.0.0"
       }
     },
+    "is-installed-globally": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/is-installed-globally/-/is-installed-globally-0.1.0.tgz",
+      "integrity": "sha1-Df2Y9akRFxbdU13aZJL2e/PSWoA=",
+      "dev": true,
+      "requires": {
+        "global-dirs": "0.1.0",
+        "is-path-inside": "1.0.0"
+      }
+    },
     "is-module": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-module/-/is-module-1.0.0.tgz",
@@ -3581,11 +3606,12 @@
       }
     },
     "jsunitsaucelabs": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/jsunitsaucelabs/-/jsunitsaucelabs-1.2.1.tgz",
-      "integrity": "sha512-CvNOB5PFg1EMmBjd1EeLSDjq+YLhn6v6n2BUtqWnh0l/ivAbbbBGQQ0mxgz0TJdMQHJGhmtACLHIFXKPSKKg4A==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/jsunitsaucelabs/-/jsunitsaucelabs-1.3.0.tgz",
+      "integrity": "sha512-ouwtE+fwWuedkcnAV2ld3m3JQD/0P3ESzzg+AdOjCOY5rqFmeBrJ4gpn1c7r3gSOSvPkMC0Azo97/AvkgkARcg==",
       "dev": true,
       "requires": {
+        "colors": "1.1.2",
         "sauce-tunnel": "2.5.0"
       }
     },
@@ -4319,7 +4345,7 @@
         "ps-tree": "1.1.0",
         "touch": "3.1.0",
         "undefsafe": "0.0.3",
-        "update-notifier": "2.2.0"
+        "update-notifier": "2.3.0"
       },
       "dependencies": {
         "debug": {
@@ -5413,9 +5439,9 @@
       }
     },
     "private": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/private/-/private-0.1.7.tgz",
-      "integrity": "sha1-aM5eih7woju1cMwoU3tTMqumPvE=",
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
+      "integrity": "sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==",
       "dev": true
     },
     "process-nextick-args": {
@@ -5574,9 +5600,9 @@
       }
     },
     "rc": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.1.tgz",
-      "integrity": "sha1-LgPo5C7kULjLPc5lvhv4l04d/ZU=",
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.2.tgz",
+      "integrity": "sha1-2M6ctX6NZNnHut2YdsfDTL48cHc=",
       "dev": true,
       "requires": {
         "deep-extend": "0.4.2",
@@ -5698,7 +5724,7 @@
       "requires": {
         "babel-runtime": "6.26.0",
         "babel-types": "6.26.0",
-        "private": "0.1.7"
+        "private": "0.1.8"
       },
       "dependencies": {
         "babel-types": {
@@ -5750,7 +5776,7 @@
       "integrity": "sha1-+w0yie4Nmtosu1KvXf5mywcNMAY=",
       "dev": true,
       "requires": {
-        "rc": "1.2.1",
+        "rc": "1.2.2",
         "safe-buffer": "5.1.1"
       }
     },
@@ -5760,7 +5786,7 @@
       "integrity": "sha1-PU74cPc93h138M+aOBQyRE4XSUI=",
       "dev": true,
       "requires": {
-        "rc": "1.2.1"
+        "rc": "1.2.2"
       }
     },
     "regjsgen": {
@@ -6397,15 +6423,6 @@
         "duplexer": "0.1.1"
       }
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.1"
-      }
-    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -6444,6 +6461,15 @@
         "function-bind": "1.1.1"
       }
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
@@ -6838,21 +6864,13 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.1.3.tgz",
-      "integrity": "sha512-5ZUOgufCHjN2mBBLfz63UtWTP6va2sSzBpNCM+/iqI6RnPzEhANmB0EKiKBYdQbc3v7KeomXJ2DJx0Xq9gvUvA==",
+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.1.4.tgz",
+      "integrity": "sha512-DcbkPg11Lw2lAWpwCmQDX+qoR4JiII6ypsQmF6tscZtlxGPFAmSRUGuMoVT3/0EHqypVik/TpkH4ITiMJeQqQA==",
       "dev": true,
       "requires": {
         "commander": "2.11.0",
-        "source-map": "0.5.7"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
-        }
+        "source-map": "0.6.1"
       }
     },
     "unc-path-regex": {
@@ -6923,46 +6941,20 @@
       "dev": true
     },
     "update-notifier": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.2.0.tgz",
-      "integrity": "sha1-G1g3z5DAc22IYncytmHBOPht5y8=",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.3.0.tgz",
+      "integrity": "sha1-TognpruRUUCrCTVZ1wFOPruDdFE=",
       "dev": true,
       "requires": {
         "boxen": "1.2.1",
-        "chalk": "1.1.3",
+        "chalk": "2.1.0",
         "configstore": "3.1.1",
         "import-lazy": "2.1.0",
+        "is-installed-globally": "0.1.0",
         "is-npm": "1.0.0",
         "latest-version": "3.1.0",
         "semver-diff": "2.1.0",
         "xdg-basedir": "3.0.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
-        },
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "2.2.1",
-            "escape-string-regexp": "1.0.5",
-            "has-ansi": "2.0.0",
-            "strip-ansi": "3.0.1",
-            "supports-color": "2.0.0"
-          }
-        },
-        "supports-color": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
-        }
       }
     },
     "url-parse-lax": {
diff --git a/package.js b/package.js
index 28cd6c006052207512cc2e7b49197abebc14864d..7dfe4f2c46dd75148b5a117eac8cf5407f50d31f 100644
--- a/package.js
+++ b/package.js
@@ -5,7 +5,7 @@
 Package.describe({
   name: 'twbs:bootstrap',  // https://atmospherejs.com/twbs/bootstrap
   summary: 'The most popular front-end framework for developing responsive, mobile first projects on the web.',
-  version: '4.0.0-beta',
+  version: '4.0.0-beta.2',
   git: 'https://github.com/twbs/bootstrap.git'
 });
 
diff --git a/package.json b/package.json
index ba56a1d423095ba881ad131abef27e8e865d916c..69eb6ae0e463d2662087fa33458a6d9bc8b72784 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "bootstrap",
   "description": "The most popular front-end framework for developing responsive, mobile first projects on the web.",
-  "version": "4.0.0-beta",
+  "version": "4.0.0-beta.2",
   "keywords": [
     "css",
     "sass",
@@ -36,12 +36,12 @@
     "js-lint": "eslint js/ && eslint --config js/tests/.eslintrc.json --env node build/",
     "js-lint-docs": "eslint --config js/tests/.eslintrc.json assets/js/ docs/ sw.js",
     "js-compile": "npm-run-all --parallel js-compile-*",
-    "js-compile-standalone": "cross-env ROLLUP=true rollup --environment BUNDLE:false --config build/rollup.config.js",
-    "js-compile-bundle": "cross-env ROLLUP=true rollup --environment BUNDLE:true --config build/rollup.config.js",
+    "js-compile-standalone": "cross-env ROLLUP=true rollup --environment BUNDLE:false --config build/rollup.config.js --sourcemap",
+    "js-compile-bundle": "cross-env ROLLUP=true rollup --environment BUNDLE:true --config build/rollup.config.js --sourcemap",
     "js-compile-plugins": "cross-env PLUGINS=true babel js/src/ --out-dir js/dist/ --source-maps",
     "js-minify": "npm-run-all --parallel js-minify-*",
-    "js-minify-standalone": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
-    "js-minify-bundle": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
+    "js-minify-standalone": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.js.map,includeSources,url=bootstrap.min.js.map\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
+    "js-minify-bundle": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.bundle.js.map,includeSources,url=bootstrap.bundle.min.js.map\" --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
     "js-minify-docs": "uglifyjs --mangle --comments \"/^!/\" --output assets/js/docs.min.js assets/js/vendor/anchor.min.js assets/js/vendor/clipboard.min.js assets/js/vendor/holder.min.js assets/js/src/application.js assets/js/src/pwa.js",
     "js-test": "phantomjs ./node_modules/qunit-phantomjs-runner/runner.js js/tests/index.html 60",
     "js-test-cloud": "ruby -r webrick -e \"s = WEBrick::HTTPServer.new(:Port => 3000, :DocumentRoot => Dir.pwd, :Logger => WEBrick::Log.new('/dev/null'), :AccessLog => []); trap('INT') { s.shutdown }; s.start\" & node build/saucelabs-unit-test.js",
@@ -75,16 +75,16 @@
   "license": "MIT",
   "dependencies": {},
   "peerDependencies": {
-    "jquery": "^3.0.0",
+    "jquery": "1.9.1 - 3",
     "popper.js": "^1.12.3"
   },
   "devDependencies": {
     "autoprefixer": "^7.1.2",
-    "babel-cli": "^7.0.0-beta.0",
+    "babel-cli": "7.0.0-beta.2",
     "babel-eslint": "^8.0.0",
-    "babel-plugin-external-helpers": "^7.0.0-beta.0",
+    "babel-plugin-external-helpers": "7.0.0-beta.2",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.1",
-    "babel-preset-env": "^2.0.0-beta.0",
+    "babel-preset-env": "2.0.0-beta.2",
     "bundlesize": "^0.15.2",
     "clean-css-cli": "^4.1.6",
     "cross-env": "^5.0.5",
@@ -125,6 +125,7 @@
     "build",
     "js/.eslintrc.json",
     "js/**/*.js",
+    "js/**/*.js.map",
     "scss/**/*.scss"
   ],
   "browserslist": [
diff --git a/scss/_button-group.scss b/scss/_button-group.scss
index 1a373f323282b31e07f13bd851bfb9120a53621d..4dcd9aa67c3becd912df5b934f727b77b64c7425 100644
--- a/scss/_button-group.scss
+++ b/scss/_button-group.scss
@@ -14,12 +14,12 @@
     // Bring the hover, focused, and "active" buttons to the front to overlay
     // the borders properly
     @include hover {
-      z-index: 2;
+      z-index: 1;
     }
     &:focus,
     &:active,
     &.active {
-      z-index: 2;
+      z-index: 1;
     }
   }
 
diff --git a/scss/_buttons.scss b/scss/_buttons.scss
index 72fc5f34062afa63631ed04d61d3740cfb2e37d4..7cd27830b5966b2c1394d9c9cd80ff039b74e007 100644
--- a/scss/_buttons.scss
+++ b/scss/_buttons.scss
@@ -22,7 +22,7 @@
   &:focus,
   &.focus {
     outline: 0;
-    box-shadow: $btn-focus-box-shadow;
+    box-shadow: $input-btn-focus-box-shadow;
   }
 
   // Disabled comes first so active can properly restyle
@@ -35,7 +35,7 @@
   &:not([disabled]):not(.disabled):active,
   &:not([disabled]):not(.disabled).active {
     background-image: none;
-    @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    @include box-shadow($input-btn-focus-box-shadow, $btn-active-box-shadow);
   }
 }
 
diff --git a/scss/_carousel.scss b/scss/_carousel.scss
index 8aa14ace79bf7a13339c779dee52053563de9180..c3c207387c9b3ee180b7fe4bd8c0530064c9d901 100644
--- a/scss/_carousel.scss
+++ b/scss/_carousel.scss
@@ -90,9 +90,15 @@
 }
 .carousel-control-prev {
   left: 0;
+  @if $enable-gradients {
+    background: linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 .carousel-control-next {
   right: 0;
+  @if $enable-gradients {
+    background: linear-gradient(270deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 
 // Icons for within
diff --git a/scss/_code.scss b/scss/_code.scss
index 759da15b791e70d7f7f9e8f9ea8877e2449a74a1..b88f5b61dee156f49935fb361ea40fb9da048179 100644
--- a/scss/_code.scss
+++ b/scss/_code.scss
@@ -42,8 +42,6 @@ kbd {
 // Blocks of code
 pre {
   display: block;
-  margin-top: 0;
-  margin-bottom: 1rem;
   font-size: $code-font-size;
   color: $pre-color;
 
diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index 41dae4d7605ec39ee7f8c1bf4891b73d5fe5fb61..a521dbdc9445db37c507e036abb7c73b8b6055b6 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -22,7 +22,7 @@
 
   &:checked ~ .custom-control-indicator {
     color: $custom-control-indicator-checked-color;
-    background-color: $custom-control-indicator-checked-bg;
+    @include gradient-bg($custom-control-indicator-checked-bg);
     @include box-shadow($custom-control-indicator-checked-box-shadow);
   }
 
@@ -33,7 +33,7 @@
 
   &:active ~ .custom-control-indicator {
     color: $custom-control-indicator-active-color;
-    background-color: $custom-control-indicator-active-bg;
+    @include gradient-bg($custom-control-indicator-active-bg);
     @include box-shadow($custom-control-indicator-active-box-shadow);
   }
 
@@ -244,7 +244,7 @@
     padding: $custom-file-padding-y $custom-file-padding-x;
     line-height: $custom-file-line-height;
     color: $custom-file-button-color;
-    background-color: $custom-file-button-bg;
+    @include gradient-bg($custom-file-button-bg);
     border: $custom-file-border-width solid $custom-file-border-color;
     @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
   }
diff --git a/scss/_dropdown.scss b/scss/_dropdown.scss
index 1782d5b9f17a5c11735f98bb65fed2fd7cf994b7..daa867a573e5cc5e4d28959ac75fa08a41676f5e 100644
--- a/scss/_dropdown.scss
+++ b/scss/_dropdown.scss
@@ -67,14 +67,14 @@
   @include hover-focus {
     color: $dropdown-link-hover-color;
     text-decoration: none;
-    background-color: $dropdown-link-hover-bg;
+    @include gradient-bg($dropdown-link-hover-bg);
   }
 
   &.active,
   &:active {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    background-color: $dropdown-link-active-bg;
+    @include gradient-bg($dropdown-link-active-bg);
   }
 
   &.disabled,
diff --git a/scss/_forms.scss b/scss/_forms.scss
index 0ece186d93c4a5e800920dbcce56d263288a44fc..3ebeae29cff2990ed83683dd7f01b9d98420419d 100644
--- a/scss/_forms.scss
+++ b/scss/_forms.scss
@@ -12,8 +12,6 @@
   line-height: $input-btn-line-height;
   color: $input-color;
   background-color: $input-bg;
-  // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214.
-  background-image: none;
   background-clip: padding-box;
   border: $input-btn-border-width solid $input-border-color;
 
@@ -316,11 +314,6 @@ select.form-control-lg {
       width: auto;
     }
 
-    .form-control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
     // Remove default margin on radios/checkboxes that were used for stacking, and
     // then undo the floating of radios and checkboxes to match.
     .form-check {
diff --git a/scss/_functions.scss b/scss/_functions.scss
index 5d43b57087b7e73ac669a6d843b67d90aebab81e..43210f7fb3bd694cd69aa540efea830bad598a33 100644
--- a/scss/_functions.scss
+++ b/scss/_functions.scss
@@ -49,7 +49,7 @@
 }
 
 // Color contrast
-@mixin color-yiq($color) {
+@function color-yiq($color) {
   $r: red($color);
   $g: green($color);
   $b: blue($color);
@@ -57,9 +57,9 @@
   $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
 
   @if ($yiq >= 150) {
-    color: #111;
+    @return #111;
   } @else {
-    color: #fff;
+    @return #fff;
   }
 }
 
diff --git a/scss/_input-group.scss b/scss/_input-group.scss
index a1d16e3848e7fd773951d9a3f9753179dcb30eb1..ae70ebc081ebf9fcc55f796a479b57580a7e1826 100644
--- a/scss/_input-group.scss
+++ b/scss/_input-group.scss
@@ -14,7 +14,7 @@
     // Ensure that the input is always above the *appended* addon button for
     // proper border colors.
     position: relative;
-    z-index: 2;
+    z-index: 1;
     flex: 1 1 auto;
     // Add width 1% and flex-basis auto to ensure that button will not wrap out
     // the column. Applies to IE Edge+ and Firefox. Chrome does not require this.
@@ -23,7 +23,7 @@
 
     // Bring the "active" form control to the front
     @include hover-focus-active {
-      z-index: 3;
+      z-index: 2;
     }
   }
 }
@@ -150,7 +150,7 @@
 
     // Bring the "active" button to the front
     @include hover-focus-active {
-      z-index: 3;
+      z-index: 2;
     }
   }
 
@@ -168,7 +168,7 @@
   &:not(:first-child) {
     > .btn,
     > .btn-group {
-      z-index: 2;
+      z-index: 1;
       // remove nagative margin ($input-btn-border-width) to solve overlapping issue with button.
       margin-left: 0;
 
@@ -179,7 +179,7 @@
 
       // Because specificity
       @include hover-focus-active {
-        z-index: 3;
+        z-index: 2;
       }
     }
   }
diff --git a/scss/_list-group.scss b/scss/_list-group.scss
index ce3876b6cb8006148da9ff73179e4084090132ee..abe132255da29f9e0ef9ffc747081cf8afb901e9 100644
--- a/scss/_list-group.scss
+++ b/scss/_list-group.scss
@@ -70,7 +70,7 @@
 
   // Include both here for `<a>`s and `<button>`s
   &.active {
-    z-index: 2; // Place active items above their siblings for proper border styling
+    z-index: 1; // Place active items above their siblings for proper border styling
     color: $list-group-active-color;
     background-color: $list-group-active-bg;
     border-color: $list-group-active-border-color;
@@ -86,13 +86,8 @@
 .list-group-flush {
   .list-group-item {
     border-right: 0;
-    border-bottom: 0;
     border-left: 0;
     border-radius: 0;
-
-    &:first-child {
-      border-top: 0;
-    }
   }
 
   &:first-child {
diff --git a/scss/_pagination.scss b/scss/_pagination.scss
index 69a36ffe53b820648d96c339ef5682d7e7501f01..6e83cf676fa43edd3314a964f183d66af4662c0d 100644
--- a/scss/_pagination.scss
+++ b/scss/_pagination.scss
@@ -18,7 +18,7 @@
   }
 
   &.active .page-link {
-    z-index: 2;
+    z-index: 1;
     color: $pagination-active-color;
     background-color: $pagination-active-bg;
     border-color: $pagination-active-border-color;
diff --git a/scss/_popover.scss b/scss/_popover.scss
index 950d6ca3960ff0ec8c9a3198992a852d03a09364..450376752b495fade40c378a75c038fa306abee3 100644
--- a/scss/_popover.scss
+++ b/scss/_popover.scss
@@ -5,7 +5,6 @@
   z-index: $zindex-popover;
   display: block;
   max-width: $popover-max-width;
-  padding: $popover-inner-padding;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
@@ -39,11 +38,11 @@
 
   .arrow::before {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
   .arrow::after {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
 
   // Popover directions
@@ -61,14 +60,14 @@
     }
 
     .arrow::before {
-      bottom: -$popover-arrow-outer-width;
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: -$popover-arrow-width;
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-color;
     }
   }
@@ -82,17 +81,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-left-width: 0;
     }
 
     .arrow::before {
-      left: -$popover-arrow-outer-width;
+      left: -$popover-arrow-width;
       border-right-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      left: -($popover-arrow-outer-width - 1);
+      left: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-right-color: $popover-arrow-color;
     }
   }
@@ -106,17 +105,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-left: -($popover-arrow-width - 3);
+      margin-left: -$popover-arrow-width;
       border-top-width: 0;
     }
 
     .arrow::before {
-      top: -$popover-arrow-outer-width;
+      top: -$popover-arrow-width;
       border-bottom-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      top: -($popover-arrow-outer-width - 1);
+      top: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-bottom-color: $popover-arrow-color;
     }
 
@@ -129,7 +128,7 @@
       width: 20px;
       margin-left: -10px;
       content: "";
-      border-bottom: 1px solid $popover-header-bg;
+      border-bottom: $popover-border-width solid $popover-header-bg;
     }
   }
 
@@ -142,17 +141,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-right-width: 0;
     }
 
     .arrow::before {
-      right: -$popover-arrow-outer-width;
+      right: -$popover-arrow-width;
       border-left-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      right: -($popover-arrow-outer-width - 1);
+      right: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-left-color: $popover-arrow-color;
     }
   }
diff --git a/scss/_variables.scss b/scss/_variables.scss
index 1808e4bd94d19d0d2d1dd8c1ca8977e43ac3aef0..0615f35d4135ac96fd1578d2666fb4fb89840839 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -62,16 +62,25 @@ $colors: map-merge((
   "gray-dark":  $gray-800
 ), $colors);
 
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-100 !default;
+$dark:          $gray-800 !default;
+
 $theme-colors: () !default;
 $theme-colors: map-merge((
-  "primary":    $blue,
-  "secondary":  $gray-600,
-  "success":    $green,
-  "info":       $cyan,
-  "warning":    $yellow,
-  "danger":     $red,
-  "light":      $gray-100,
-  "dark":       $gray-800
+  "primary":    $primary,
+  "secondary":  $secondary,
+  "success":    $success,
+  "info":       $info,
+  "warning":    $warning,
+  "danger":     $danger,
+  "light":      $light,
+  "dark":       $dark
 ), $theme-colors);
 // stylelint-enable
 
@@ -213,8 +222,8 @@ $font-family-base:            $font-family-sans-serif !default;
 // stylelint-enable value-keyword-case
 
 $font-size-base:              1rem !default; // Assumes the browser default, typically `16px`
-$font-size-lg:                1.25rem !default;
-$font-size-sm:                .875rem !default;
+$font-size-lg:                ($font-size-base * 1.25) !default;
+$font-size-sm:                ($font-size-base * .875) !default;
 
 $font-weight-light:           300 !default;
 $font-weight-normal:          400 !default;
@@ -223,17 +232,17 @@ $font-weight-bold:            700 !default;
 $font-weight-base:            $font-weight-normal !default;
 $line-height-base:            1.5 !default;
 
-$h1-font-size:                2.5rem !default;
-$h2-font-size:                2rem !default;
-$h3-font-size:                1.75rem !default;
-$h4-font-size:                1.5rem !default;
-$h5-font-size:                1.25rem !default;
-$h6-font-size:                1rem !default;
+$h1-font-size:                $font-size-base * 2.5 !default;
+$h2-font-size:                $font-size-base * 2 !default;
+$h3-font-size:                $font-size-base * 1.75 !default;
+$h4-font-size:                $font-size-base * 1.5 !default;
+$h5-font-size:                $font-size-base * 1.25 !default;
+$h6-font-size:                $font-size-base !default;
 
 $headings-margin-bottom:      ($spacer / 2) !default;
 $headings-font-family:        inherit !default;
 $headings-font-weight:        500 !default;
-$headings-line-height:        1.1 !default;
+$headings-line-height:        1.2 !default;
 $headings-color:              inherit !default;
 
 $display1-size:               6rem !default;
@@ -247,7 +256,7 @@ $display3-weight:             300 !default;
 $display4-weight:             300 !default;
 $display-line-height:         $headings-line-height !default;
 
-$lead-font-size:              1.25rem !default;
+$lead-font-size:              ($font-size-base * 1.25) !default;
 $lead-font-weight:            300 !default;
 
 $small-font-size:             80% !default;
@@ -305,6 +314,10 @@ $input-btn-padding-y:         .375rem !default;
 $input-btn-padding-x:         .75rem !default;
 $input-btn-line-height:       $line-height-base !default;
 
+$input-btn-focus-width:       .2rem !default;
+$input-btn-focus-color:       rgba(theme-color("primary"), .25) !default;
+$input-btn-focus-box-shadow:  0 0 0 $input-btn-focus-width $input-btn-focus-color !default;
+
 $input-btn-padding-y-sm:      .25rem !default;
 $input-btn-padding-x-sm:      .5rem !default;
 $input-btn-line-height-sm:    $line-height-sm !default;
@@ -315,7 +328,6 @@ $input-btn-line-height-lg:    $line-height-lg !default;
 
 $btn-font-weight:             $font-weight-normal !default;
 $btn-box-shadow:              inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
-$btn-focus-box-shadow:        0 0 0 3px rgba(theme-color("primary"), .25) !default;
 $btn-active-box-shadow:       inset 0 3px 5px rgba($black,.125) !default;
 
 $btn-link-disabled-color:     $gray-600 !default;
@@ -346,7 +358,6 @@ $input-border-radius-sm:                $border-radius-sm !default;
 
 $input-focus-bg:                        $input-bg !default;
 $input-focus-border-color:              lighten(theme-color("primary"), 25%) !default;
-$input-focus-box-shadow:                $input-box-shadow, $btn-focus-box-shadow !default;
 $input-focus-color:                     $input-color !default;
 
 $input-placeholder-color:               $gray-600 !default;
@@ -395,7 +406,7 @@ $custom-control-indicator-checked-color:        $white !default;
 $custom-control-indicator-checked-bg:           theme-color("primary") !default;
 $custom-control-indicator-checked-box-shadow:   none !default;
 
-$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, 0 0 0 3px theme-color("primary") !default;
+$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, $input-btn-focus-box-shadow !default;
 
 $custom-control-indicator-active-color:         $white !default;
 $custom-control-indicator-active-bg:            lighten(theme-color("primary"), 35%) !default;
@@ -530,9 +541,9 @@ $navbar-padding-x:                  $spacer !default;
 
 $navbar-brand-font-size:            $font-size-lg !default;
 // Compute the navbar-brand padding-y so the navbar-brand will have the same height as navbar-text and nav-link
-$nav-link-height:                   $navbar-brand-font-size * $line-height-base !default;
-$navbar-brand-height:               ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
-$navbar-brand-padding-y:            ($navbar-brand-height - $nav-link-height) / 2 !default;
+$nav-link-height:                   ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
+$navbar-brand-height:               $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-padding-y:            ($nav-link-height - $navbar-brand-height) / 2 !default;
 
 $navbar-toggler-padding-y:          .25rem !default;
 $navbar-toggler-padding-x:          .75rem !default;
@@ -626,27 +637,25 @@ $tooltip-arrow-color:               $tooltip-bg !default;
 
 // Popovers
 
-$popover-inner-padding:             1px !default;
 $popover-bg:                        $white !default;
 $popover-max-width:                 276px !default;
 $popover-border-width:              $border-width !default;
 $popover-border-color:              rgba($black,.2) !default;
-$popover-box-shadow:                0 5px 10px rgba($black,.2) !default;
+$popover-box-shadow:                0 .25rem .5rem rgba($black,.2) !default;
 
 $popover-header-bg:                 darken($popover-bg, 3%) !default;
 $popover-header-color:              $headings-color !default;
-$popover-header-padding-y:          8px !default;
-$popover-header-padding-x:          14px !default;
+$popover-header-padding-y:          .5rem !default;
+$popover-header-padding-x:          .75rem !default;
 
 $popover-body-color:                $body-color !default;
-$popover-body-padding-y:            9px !default;
-$popover-body-padding-x:            14px !default;
+$popover-body-padding-y:            $popover-header-padding-y !default;
+$popover-body-padding-x:            $popover-header-padding-x !default;
 
-$popover-arrow-width:               10px !default;
-$popover-arrow-height:              5px !default;
+$popover-arrow-width:               .8rem !default;
+$popover-arrow-height:              .4rem !default;
 $popover-arrow-color:               $popover-bg !default;
 
-$popover-arrow-outer-width:         ($popover-arrow-width + 1px) !default;
 $popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;
 
 
@@ -710,7 +719,7 @@ $alert-border-width:                $border-width !default;
 // Progress bars
 
 $progress-height:                   1rem !default;
-$progress-font-size:                .75rem !default;
+$progress-font-size:                ($font-size-base * .75) !default;
 $progress-bg:                       $gray-200 !default;
 $progress-border-radius:            $border-radius !default;
 $progress-box-shadow:               inset 0 .1rem .1rem rgba($black,.1) !default;
diff --git a/scss/bootstrap-grid.scss b/scss/bootstrap-grid.scss
index 022ab91d8a1fbe092bbac2a7b2b2531b268fc5f1..d7d4e7863d9f9a4debd6fdf477a749142d88fc31 100644
--- a/scss/bootstrap-grid.scss
+++ b/scss/bootstrap-grid.scss
@@ -1,11 +1,9 @@
-// Bootstrap Grid only
-//
-// Includes relevant variables and mixins for the flexbox grid
-// system, as well as the generated predefined classes (e.g., `.col-sm-4`).
-
-//
-// Box sizing, responsive, and more
-//
+/*!
+ * Bootstrap Grid v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 
 @at-root {
   @-ms-viewport { width: device-width; } // stylelint-disable-line at-rule-no-vendor-prefix
diff --git a/scss/bootstrap-reboot.scss b/scss/bootstrap-reboot.scss
index 2700a570560427f23c6868debda5572b05ff9a7f..3bc8760a9f8a464f4da9c629bea0c5e26b72b950 100644
--- a/scss/bootstrap-reboot.scss
+++ b/scss/bootstrap-reboot.scss
@@ -1,9 +1,12 @@
-// Bootstrap Reboot only
-//
-// Includes only Normalize and our custom Reboot reset.
+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 
 @import "functions";
 @import "variables";
 @import "mixins";
-
 @import "reboot";
diff --git a/scss/bootstrap.scss b/scss/bootstrap.scss
index f83914dc3f4e1c003d9d0b04ce399e2538e81866..bfeffacacf7c22b73d6e60949feeebd080e37d8a 100644
--- a/scss/bootstrap.scss
+++ b/scss/bootstrap.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
diff --git a/scss/mixins/_alert.scss b/scss/mixins/_alert.scss
index d938e8972256d72d2d5bb4535509fb63b5132531..db5a7eb4549ec1406985347113efa74287a2f219 100644
--- a/scss/mixins/_alert.scss
+++ b/scss/mixins/_alert.scss
@@ -1,6 +1,6 @@
 @mixin alert-variant($background, $border, $color) {
   color: $color;
-  background-color: $background;
+  @include gradient-bg($background);
   border-color: $border;
 
   hr {
diff --git a/scss/mixins/_background-variant.scss b/scss/mixins/_background-variant.scss
index 5860d7384c9c6bcdd6cf4c7e92fa7e6fb4ecd98a..7d1bc975c1f207b37266af53ae0381d8d9f26677 100644
--- a/scss/mixins/_background-variant.scss
+++ b/scss/mixins/_background-variant.scss
@@ -12,3 +12,9 @@
     }
   }
 }
+
+@mixin bg-gradient-variant($parent, $color) {
+  #{$parent} {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
+  }
+}
diff --git a/scss/mixins/_badge.scss b/scss/mixins/_badge.scss
index 257a6abb7d888212f2bc3e8a3f0e71bcafbafb82..eeca0b40de92773d3925c557edb2c6642ff37645 100644
--- a/scss/mixins/_badge.scss
+++ b/scss/mixins/_badge.scss
@@ -1,10 +1,10 @@
 @mixin badge-variant($bg) {
-  @include color-yiq($bg);
+  color: color-yiq($bg);
   background-color: $bg;
 
   &[href] {
     @include hover-focus {
-      @include color-yiq($bg);
+      color: color-yiq($bg);
       text-decoration: none;
       background-color: darken($bg, 10%);
     }
diff --git a/scss/mixins/_buttons.scss b/scss/mixins/_buttons.scss
index 7ce8fef5f3ad3c5b44527d6a36ac14b10732f306..9e0626139697b00d545506c40188887abe6616ff 100644
--- a/scss/mixins/_buttons.scss
+++ b/scss/mixins/_buttons.scss
@@ -3,25 +3,25 @@
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 
-@mixin button-variant($background, $border, $active-background: darken($background, 7.5%), $active-border: darken($border, 10%)) {
-  @include color-yiq($background);
-  background-color: $background;
+@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
+  color: color-yiq($background);
+  @include gradient-bg($background);
   border-color: $border;
   @include box-shadow($btn-box-shadow);
 
   @include hover {
-    @include color-yiq($active-background);
-    background-color: $active-background;
-    border-color: $active-border;
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
   }
 
   &:focus,
   &.focus {
     // Avoid using mixin so we can pass custom focus shadow properly
     @if $enable-shadows {
-      box-shadow: $btn-box-shadow, 0 0 0 3px rgba($border, .5);
+      box-shadow: $btn-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
     } @else {
-      box-shadow: 0 0 0 3px rgba($border, .5);
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
     }
   }
 
@@ -35,10 +35,19 @@
   &:not([disabled]):not(.disabled):active,
   &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
     background-color: $active-background;
-    background-image: none; // Remove the gradient for the pressed/active state
+    @if $enable-gradients {
+      background-image: none; // Remove the gradient for the pressed/active state
+    }
     border-color: $active-border;
-    @include box-shadow($btn-active-box-shadow);
+
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $btn-active-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
+    } @else {
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
+    }
   }
 }
 
@@ -56,7 +65,7 @@
 
   &:focus,
   &.focus {
-    box-shadow: 0 0 0 3px rgba($color, .5);
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 
   &.disabled,
@@ -71,6 +80,8 @@
     color: $color-hover;
     background-color: $color;
     border-color: $color;
+    // Avoid using mixin so we can pass custom focus shadow properly
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 }
 
diff --git a/scss/mixins/_forms.scss b/scss/mixins/_forms.scss
index f69b335e1d412894597bc0af2e059977e3da592f..3adbc1dd214a2923cf57d8091409640349baad0b 100644
--- a/scss/mixins/_forms.scss
+++ b/scss/mixins/_forms.scss
@@ -16,7 +16,12 @@
     background-color: $input-focus-bg;
     border-color: $input-focus-border-color;
     outline: none;
-    @include box-shadow($input-focus-box-shadow);
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $input-box-shadow, $input-btn-focus-box-shadow;
+    } @else {
+      box-shadow: $input-btn-focus-box-shadow;
+    }
   }
 }
 
diff --git a/scss/mixins/_gradients.scss b/scss/mixins/_gradients.scss
index bad79f9617532c1154b61a762530e8559a82f2b0..ecd01f729155eba403aea100a43d37097e37b8fb 100644
--- a/scss/mixins/_gradients.scss
+++ b/scss/mixins/_gradients.scss
@@ -1,5 +1,13 @@
 // Gradients
 
+@mixin gradient-bg($color) {
+  @if $enable-gradients {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
+  } @else {
+    background-color: $color;
+  }
+}
+
 // Horizontal gradient, from left to right
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
diff --git a/scss/utilities/_background.scss b/scss/utilities/_background.scss
index 3d2e07d6995197c5619f57e1facb773a4d6081e9..1f18b2f3f36483973876a382d6e1bdc1f346361a 100644
--- a/scss/utilities/_background.scss
+++ b/scss/utilities/_background.scss
@@ -4,6 +4,12 @@
   @include bg-variant(".bg-#{$color}", $value);
 }
 
+@if $enable-gradients {
+  @each $color, $value in $theme-colors {
+    @include bg-gradient-variant(".bg-gradient-#{$color}", $value);
+  }
+}
+
 .bg-white {
   background-color: $white !important;
 }