Merge branch 'v4-dev' into carousel

.travis.yml

-sudo: required
+sudo: false
 dist: trusty
 language: node_js
 git:
-  depth: 10
+  depth: 3
 node_js:
   - "4"
   - "6"
 before_install:
-  # Remove ./node_modules/.bin from PATH so node-which doesn't replace Unix which and cause RVM to barf. See https://github.com/travis-ci/travis-ci/issues/5092
-  - export PATH=$(python -c 'from sys import argv;from collections import OrderedDict as od;print(":".join(od((p,None) for p in argv[1].split(":") if p.startswith("/")).keys()))' "$PATH")
-  - rvm install 2.2
-  - rvm use 2.2 --fuzzy
-  - npm install -g npm@3
-  - "export TRAVIS_COMMIT_MSG=\"$(git log --format=%B --no-merges -n 1)\""
+  - if [[ `npm -v` != 3* ]]; then npm install -g npm@3; fi
+  - "export TRAVIS_COMMIT_MSG=\"`git log --format=%B --no-merges -n 1`\""
   - echo "$TRAVIS_COMMIT_MSG" | grep '\[skip validator\]'; export TWBS_DO_VALIDATOR=$?; true
   - echo "$TRAVIS_COMMIT_MSG" | grep '\[skip sauce\]'; export TWBS_DO_SAUCE=$?; true
   - if [ "$TRAVIS_REPO_SLUG" = twbs-savage/bootstrap ]; then export TWBS_DO_VALIDATOR=0; fi
 install:
-  - bundle install --deployment --jobs=3
+  - bundle install --deployment --jobs=3 --retry=3
   - cp grunt/npm-shrinkwrap.json ./
   - npm install
+after_success:
+  - if [ "$TWBS_TEST" = sauce-js-unit ]; then grunt/upload-preview.sh; fi
 cache:
   directories:
     - node_modules
     - vendor/bundle
     - "$HOME/google-cloud-sdk"
 env:
-  global:
-    - NPM_CONFIG_PROGRESS="false"
-  matrix:
-    - TWBS_TEST=core
-    - TWBS_TEST=validate-html
-    - TWBS_TEST=sauce-js-unit
+  - TWBS_TEST=core
+  - TWBS_TEST=validate-html
+  - TWBS_TEST=sauce-js-unit
 matrix:
-  fast_finish: true
   exclude:
     - node_js: "4"
       env: TWBS_TEST=validate-html

Gruntfile.js

@@ -39,7 +39,7 @@ module.exports = function (grunt) {
             ' * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n' +
             ' */\n',
     jqueryCheck: 'if (typeof jQuery === \'undefined\') {\n' +
-                 '  throw new Error(\'Bootstrap\\\'s JavaScript requires jQuery\')\n' +
+                 '  throw new Error(\'Bootstrap\\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\\'s JavaScript.\')\n' +
                  '}\n',
     jqueryVersionCheck: '+function ($) {\n' +
                         '  var version = $.fn.jquery.split(\' \')[0].split(\'.\')\n' +
@@ -283,9 +283,6 @@ module.exports = function (grunt) {
       },
       htmlhint: {
         command: 'npm run htmlhint'
-      },
-      'upload-preview': {
-        command: './grunt/upload-preview.sh'
       }
     },
 
@@ -361,7 +358,7 @@ module.exports = function (grunt) {
   if (typeof process.env.SAUCE_ACCESS_KEY !== 'undefined' &&
       // Skip Sauce if running a different subset of the test suite
       runSubset('sauce-js-unit')) {
-    testSubtasks = testSubtasks.concat(['dist', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs', 'exec:upload-preview']);
+    testSubtasks = testSubtasks.concat(['dist', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs']);
     // Skip Sauce on Travis when [skip sauce] is in the commit message
     if (isUndefOrNonZero(process.env.TWBS_DO_SAUCE)) {
       testSubtasks.push('connect');

README.md

@@ -34,6 +34,7 @@ Several quick start options are available:
 - [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.5.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-alpha.5`
+- Install with [yarn](https://github.com/yarnpkg/yarn): `yarn add bootstrap@4.0.0-alpha.5`
 - Install with [Meteor](https://www.meteor.com): `meteor add twbs:bootstrap@=4.0.0-alpha.5`
 - Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap`
 - Install with [Bower](https://bower.io): `bower install bootstrap#v4.0.0-alpha.5`

dist/css/bootstrap-grid.css

+@-ms-viewport {
+  width: device-width;
+}
+
+html {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+  -ms-overflow-style: scrollbar;
+}
+
+*,
+*::before,
+*::after {
+  -webkit-box-sizing: inherit;
+          box-sizing: inherit;
+}
+
 .container {
   margin-left: auto;
   margin-right: auto;
@@ -6,8 +23,8 @@
 }
 
 .container::after {
+  display: block;
   content: "";
-  display: table;
   clear: both;
 }
 
@@ -75,8 +92,8 @@
 }
 
 .container-fluid::after {
+  display: block;
   content: "";
-  display: table;
   clear: both;
 }
 
@@ -114,8 +131,8 @@
 }
 
 .row::after {
+  display: block;
   content: "";
-  display: table;
   clear: both;
 }
 
@@ -147,7 +164,18 @@
   }
 }
 
-.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
+.no-gutters {
+  margin-right: 0;
+  margin-left: 0;
+}
+
+.no-gutters > .col,
+.no-gutters > [class*="col-"] {
+  padding-right: 0;
+  padding-left: 0;
+}
+
+.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
   position: relative;
   min-height: 1px;
   padding-right: 15px;
@@ -155,28 +183,28 @@
 }
 
 @media (min-width: 576px) {
-  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
+  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
     padding-right: 15px;
     padding-left: 15px;
   }
 }
 
 @media (min-width: 768px) {
-  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
+  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
     padding-right: 15px;
     padding-left: 15px;
   }
 }
 
 @media (min-width: 992px) {
-  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
+  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
     padding-right: 15px;
     padding-left: 15px;
   }
 }
 
 @media (min-width: 1200px) {
-  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
+  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
     padding-right: 15px;
     padding-left: 15px;
   }

dist/css/bootstrap-reboot.css

@@ -290,7 +290,6 @@ p {
 abbr[title],
 abbr[data-original-title] {
   cursor: help;
-  border-bottom: 1px dotted #636c72;
 }
 
 address {

dist/css/bootstrap-reboot.min.css

-/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,footer,header,nav,section{display:block}h1{font-size:2em;margin:.67em 0}figcaption,figure,main{display:block}figure{margin:1em 40px}hr{-webkit-box-sizing:content-box;box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:inherit}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}dfn{font-style:italic}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}audio,video{display:inline-block}audio:not([controls]){display:none;height:0}img{border-style:none}svg:not(:root){overflow:hidden}button,input,optgroup,select,textarea{font-family:sans-serif;font-size:100%;line-height:1.15;margin:0}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{border-style:none;padding:0}[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:1px dotted ButtonText}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{-webkit-box-sizing:border-box;box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{display:inline-block;vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{-webkit-box-sizing:border-box;box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details,menu{display:block}summary{display:list-item}canvas{display:inline-block}template{display:none}[hidden]{display:none}html{-webkit-box-sizing:border-box;box-sizing:border-box}*,::after,::before{-webkit-box-sizing:inherit;box-sizing:inherit}@-ms-viewport{width:device-width}html{font-size:16px;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:1rem;font-weight:400;line-height:1.5;color:#292b2c;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}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]{cursor:help;border-bottom:1px dotted #636c72}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}a{color:#0275d8;text-decoration:none}a:focus,a:hover{color:#014c8c;text-decoration:underline}a:focus{outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}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}pre{margin-top:0;margin-bottom:1rem;overflow:auto}figure{margin:0 0 1rem}img{vertical-align:middle}[role=button]{cursor:pointer}[role=button],a,area,button,input,label,select,summary,textarea{-ms-touch-action:manipulation;touch-action:manipulation}table{border-collapse:collapse;background-color:transparent}caption{padding-top:.75rem;padding-bottom:.75rem;color:#636c72;text-align:left;caption-side:bottom}th{text-align:left}label{display:inline-block;margin-bottom:.5rem}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,select,textarea{line-height:inherit}input[type=checkbox]:disabled,input[type=radio]:disabled{cursor:not-allowed}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit}input[type=search]{-webkit-appearance:none}output{display:inline-block}[hidden]{display:none!important}
+/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,footer,header,nav,section{display:block}h1{font-size:2em;margin:.67em 0}figcaption,figure,main{display:block}figure{margin:1em 40px}hr{-webkit-box-sizing:content-box;box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:inherit}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}dfn{font-style:italic}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}audio,video{display:inline-block}audio:not([controls]){display:none;height:0}img{border-style:none}svg:not(:root){overflow:hidden}button,input,optgroup,select,textarea{font-family:sans-serif;font-size:100%;line-height:1.15;margin:0}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{border-style:none;padding:0}[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:1px dotted ButtonText}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{-webkit-box-sizing:border-box;box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{display:inline-block;vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{-webkit-box-sizing:border-box;box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details,menu{display:block}summary{display:list-item}canvas{display:inline-block}template{display:none}[hidden]{display:none}html{-webkit-box-sizing:border-box;box-sizing:border-box}*,::after,::before{-webkit-box-sizing:inherit;box-sizing:inherit}@-ms-viewport{width:device-width}html{font-size:16px;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:1rem;font-weight:400;line-height:1.5;color:#292b2c;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}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]{cursor:help}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}a{color:#0275d8;text-decoration:none}a:focus,a:hover{color:#014c8c;text-decoration:underline}a:focus{outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}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}pre{margin-top:0;margin-bottom:1rem;overflow:auto}figure{margin:0 0 1rem}img{vertical-align:middle}[role=button]{cursor:pointer}[role=button],a,area,button,input,label,select,summary,textarea{-ms-touch-action:manipulation;touch-action:manipulation}table{border-collapse:collapse;background-color:transparent}caption{padding-top:.75rem;padding-bottom:.75rem;color:#636c72;text-align:left;caption-side:bottom}th{text-align:left}label{display:inline-block;margin-bottom:.5rem}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,select,textarea{line-height:inherit}input[type=checkbox]:disabled,input[type=radio]:disabled{cursor:not-allowed}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit}input[type=search]{-webkit-appearance:none}output{display:inline-block}[hidden]{display:none!important}
 /*# sourceMappingURL=bootstrap-reboot.min.css.map */
\ No newline at end of file

dist/js/bootstrap.js

@@ -5,7 +5,7 @@
  */
 
 if (typeof jQuery === 'undefined') {
-  throw new Error('Bootstrap\'s JavaScript requires jQuery')
+  throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
 }
 
 +function ($) {
@@ -437,7 +437,7 @@ var Button = function ($) {
 
           if (triggerChangeEvent) {
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-            $(this._element).trigger('change');
+            $(input).trigger('change');
           }
 
           input.focus();
@@ -624,9 +624,10 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -637,9 +638,10 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -741,11 +743,10 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype._keydown = function _keydown(event) {
-      event.preventDefault();
-
       if (/input|textarea/i.test(event.target.tagName)) {
         return;
       }
+      event.preventDefault();
 
       switch (event.which) {
         case ARROW_LEFT_KEYCODE:
@@ -852,11 +853,9 @@ var Carousel = function ($) {
         $(nextElement).addClass(directionalClassName);
 
         $(activeElement).one(Util.TRANSITION_END, function () {
-          $(nextElement).removeClass(directionalClassName).removeClass(direction);
+          $(nextElement).removeClass(directionalClassName + ' ' + direction).addClass(ClassName.ACTIVE);
 
-          $(nextElement).addClass(ClassName.ACTIVE);
-
-          $(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);
+          $(activeElement).removeClass(ClassName.ACTIVE + ' ' + direction + ' ' + directionalClassName);
 
           _this5._isSliding = false;
 
@@ -1083,7 +1082,11 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this6 = this;
 
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if ($(this._element).hasClass(ClassName.ACTIVE)) {
         return;
       }
 
@@ -1156,7 +1159,11 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this7 = this;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if (!$(this._element).hasClass(ClassName.ACTIVE)) {
         return;
       }
 
@@ -1549,11 +1556,7 @@ var Dropdown = function ($) {
         return;
       }
 
-      var items = $.makeArray($(Selector.VISIBLE_ITEMS));
-
-      items = items.filter(function (item) {
-        return item.offsetWidth || item.offsetHeight;
-      });
+      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
 
       if (!items.length) {
         return;
@@ -1699,6 +1702,7 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -1714,6 +1718,13 @@ var Modal = function ($) {
     Modal.prototype.show = function show(relatedTarget) {
       var _this9 = this;
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
+      }
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -1758,8 +1769,16 @@ var Modal = function ($) {
         event.preventDefault();
       }
 
-      var hideEvent = $.Event(Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
 
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+      if (transition) {
+        this._isTransitioning = true;
+      }
+
+      var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -1778,8 +1797,7 @@ var Modal = function ($) {
       $(this._element).off(Event.CLICK_DISMISS);
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-
+      if (transition) {
         $(this._element).one(Util.TRANSITION_END, function (event) {
           return _this10._hideModal(event);
         }).emulateTransitionEnd(TRANSITION_DURATION);
@@ -1791,10 +1809,7 @@ var Modal = function ($) {
     Modal.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
 
-      $(window).off(EVENT_KEY);
-      $(document).off(EVENT_KEY);
-      $(this._element).off(EVENT_KEY);
-      $(this._backdrop).off(EVENT_KEY);
+      $(window, document, this._element, this._backdrop).off(EVENT_KEY);
 
       this._config = null;
       this._element = null;
@@ -1847,6 +1862,7 @@ var Modal = function ($) {
         if (_this11._config.focus) {
           _this11._element.focus();
         }
+        _this11._isTransitioning = false;
         $(_this11._element).trigger(shownEvent);
       };
 
@@ -1898,7 +1914,8 @@ var Modal = function ($) {
       var _this15 = this;
 
       this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', true);
+      this._element.setAttribute('aria-hidden', 'true');
+      this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
         _this15._resetAdjustments();
@@ -2093,7 +2110,7 @@ var Modal = function ($) {
 
     var config = $(target).data(DATA_KEY) ? 'toggle' : $.extend({}, $(target).data(), $(this).data());
 
-    if (this.tagName === 'A') {
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
       event.preventDefault();
     }
 
@@ -2329,7 +2346,7 @@ var ScrollSpy = function ($) {
         return;
       }
 
-      if (this._activeTarget && scrollTop < this._offsets[0]) {
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
         this._activeTarget = null;
         this._clear();
         return;
@@ -2737,7 +2754,8 @@ var Tooltip = function ($) {
     selector: false,
     placement: 'top',
     offset: '0 0',
-    constraints: []
+    constraints: [],
+    container: false
   };
 
   var DefaultType = {
@@ -2750,7 +2768,8 @@ var Tooltip = function ($) {
     selector: '(string|boolean)',
     placement: '(string|function)',
     offset: 'string',
-    constraints: 'array'
+    constraints: 'array',
+    container: '(string|element|boolean)'
   };
 
   var AttachmentMap = {
@@ -2815,6 +2834,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
+      this._isTransitioning = false;
       this._tether = null;
 
       // protected
@@ -2877,6 +2897,7 @@ var Tooltip = function ($) {
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
+      $(this.element).closest('.modal').off('hide.bs.modal');
 
       if (this.tip) {
         $(this.tip).remove();
@@ -2899,9 +2920,12 @@ var Tooltip = function ($) {
       if ($(this.element).css('display') === 'none') {
         throw new Error('Please use show on visible elements');
       }
-      var showEvent = $.Event(this.constructor.Event.SHOW);
 
+      var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning');
+        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -2926,7 +2950,9 @@ var Tooltip = function ($) {
 
         var attachment = this._getAttachment(placement);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(document.body);
+        var container = this.config.container === false ? document.body : $(this.config.container);
+
+        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
@@ -2949,6 +2975,7 @@ var Tooltip = function ($) {
         var complete = function complete() {
           var prevHoverState = _this22._hoverState;
           _this22._hoverState = null;
+          _this22._isTransitioning = false;
 
           $(_this22.element).trigger(_this22.constructor.Event.SHOWN);
 
@@ -2958,6 +2985,7 @@ var Tooltip = function ($) {
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
           return;
         }
@@ -2971,6 +2999,9 @@ var Tooltip = function ($) {
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning');
+      }
       var complete = function complete() {
         if (_this23._hoverState !== HoverState.ACTIVE && tip.parentNode) {
           tip.parentNode.removeChild(tip);
@@ -2978,6 +3009,7 @@ var Tooltip = function ($) {
 
         _this23.element.removeAttribute('aria-describedby');
         $(_this23.element).trigger(_this23.constructor.Event.HIDDEN);
+        _this23._isTransitioning = false;
         _this23.cleanupTether();
 
         if (callback) {
@@ -2994,7 +3026,7 @@ var Tooltip = function ($) {
       $(tip).removeClass(ClassName.ACTIVE);
 
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-
+        this._isTransitioning = true;
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -3018,7 +3050,7 @@ var Tooltip = function ($) {
 
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.ACTIVE);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.ACTIVE);
 
       this.cleanupTether();
     };
@@ -3081,6 +3113,10 @@ var Tooltip = function ($) {
             return _this24._leave(event);
           });
         }
+
+        $(_this24.element).closest('.modal').on('hide.bs.modal', function () {
+          return _this24.hide();
+        });
       });
 
       if (this.config.selector) {
@@ -3377,7 +3413,7 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.ACTIVE);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.ACTIVE);
 
       this.cleanupTether();
     };