index.html

      <h3>Alternate sizes</h3>
      <p>Fancy larger or smaller buttons? Have at it!</p>
      <div class="well">
        <a href="#" class="btn large primary">Primary action</a>
        <a href="#" class="btn large">Action</a>
      </div>
      <div class="well" style="padding: 16px 19px;">
        <a href="#" class="btn small primary">Primary action</a>
        <a href="#" class="btn small">Action</a>
      </div>
      <h3>Disabled state</h3>
      <p>For buttons that are not active or are disabled by the app for one reason or another, use the disabled state. That’s <code>.disabled</code> for links and <code>:disabled</code> for <code>&lt;button&gt;</code> elements.</p>
      <h4>Links</h4>
      <div class="well">
        <a href="#" class="btn large primary disabled">Primary action</a>
        <a href="#" class="btn large disabled">Action</a>
      </div>
      <h4>Buttons</h4>
      <div class="well">
        <button class="btn large primary disabled" disabled="disabled">Primary action</button>&nbsp;<button class="btn large" disabled>Action</button>
      </div>
    </div>
  </div><!-- /row -->
</section>



<!-- Navigation
================================================== -->
<section id="navigation">
  <div class="page-header">
    <h1>Navigation</h1>
  </div>
  <h2>Fixed topbar</h2>
  <div class="topbar-wrapper" style="z-index: 5;">
    <div class="topbar">
      <div class="topbar-inner">
        <div class="container">
          <h3><a href="#">Project Name</a></h3>
          <ul class="nav">
            <li class="active"><a href="#">Home</a></li>
            <li><a href="#">Link</a></li>
            <li><a href="#">Link</a></li>
            <li><a href="#">Link</a></li>
            <li class="dropdown">
              <a href="#" class="dropdown-toggle">Dropdown</a>
              <ul class="dropdown-menu">
                <li><a href="#">Secondary link</a></li>
                <li><a href="#">Something else here</a></li>
                <li class="divider"></li>
                <li><a href="#">Another link</a></li>
              </ul>
            </li>
          </ul>
          <form class="pull-left" action="">
            <input type="text" placeholder="Search" />
          </form>
          <ul class="nav secondary-nav">
            <li class="dropdown">
              <a href="#" class="dropdown-toggle">Dropdown</a>
              <ul class="dropdown-menu">
                <li><a href="#">Secondary link</a></li>
                <li><a href="#">Something else here</a></li>
                <li class="divider"></li>
                <li><a href="#">Another link</a></li>
              </ul>
            </li>
          </ul>
        </div>
      </div><!-- /topbar-inner -->
    </div><!-- /topbar -->
  </div><!-- /topbar-wrapper -->

  <div class="row">
    <div class="span5">
      <h4>What is it</h4>
      <p>Our topbar is a fixed bar that houses a website’s logo or name, primary navigation, and search form.</p>
    </div>
    <div class="span5">
      <h4>Customizable</h4>
      <p>All elements within, and the entire topbar as well, are optional. You can choose to include a logo/name, nav, search, and a secondary nav&mdash;or any combination of that.</p>
    </div>
    <div class="span6">
      <h4>Dropdowns included</h4>
      <p>As part of the main navigation, we’ve included the ability for you to add dropdowns to your nav. Check out the secondary nav above (right aligned) to see how it’s done. Dropdowns <code>li</code> tags also support <code>.active</code> for showing current page selection.</p>
    </div>
  </div>
  <p><strong>Note:</strong> When using the topbar on any page, be sure to account for the overlap it causes by adding <code>padding-top: 40px;</code> to your <code>body</code>.</p>

  <br />

  <div class="row">
    <div class="span4">
      <h2>Tabs and pills</h2>
      <p>Create simple secondary navigation with a <code>&lt;ul&gt;</code>. Swap between tabs or pills by adding the appropriate class.</p>
      <p>Great for sub-sections of content like our account settings pages and user timelines for toggling between pages of like content. Available in tabbed or pill styles.</p>
    </div>
    <div class="span12">
      <ul class="tabs">
        <li class="active"><a href="#">Home</a></li>
        <li><a href="#">Profile</a></li>
        <li><a href="#">Messages</a></li>
        <li><a href="#">Settings</a></li>
        <li><a href="#">Contact</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle">Dropdown</a>
          <ul class="dropdown-menu">
            <li><a href="#">Secondary link</a></li>
            <li><a href="#">Something else here</a></li>
            <li class="divider"></li>
            <li><a href="#">Another link</a></li>
          </ul>
        </li>
      </ul>
<pre class="prettyprint linenums">
&lt;ul class="tabs"&gt;
  &lt;li class="active"&gt;&lt;a href="#"&gt;Home&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Profile&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Messages&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Settings&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Contact&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</pre>
      <ul class="pills">
        <li class="active"><a href="#">Home</a></li>
        <li><a href="#">Profile</a></li>
        <li><a href="#">Messages</a></li>
        <li><a href="#">Settings</a></li>
        <li><a href="#">Contact</a></li>
      </ul>
<pre class="prettyprint linenums">
&lt;ul class="pills"&gt;
  &lt;li class="active"&gt;&lt;a href="#"&gt;Home&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Profile&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Messages&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Settings&lt;/a&gt;&lt;/li&gt;
  &lt;li&gt;&lt;a href="#"&gt;Contact&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</pre>
    </div>
  </div><!-- /row -->

  <!-- Breadcrumbs -->
  <div class="row">
    <div class="span4">
      <h2>Breadcrumbs</h2>
      <p>Breadcrumb navigation is used as a way to show users where they are within an app or a site, but not for primary navigation.</p>
    </div>
    <div class="span12">
      <ul class="breadcrumb">
        <li class="active">Home</li>
      </ul>
      <ul class="breadcrumb">
        <li><a href="#">Home</a> <span class="divider">/</span></li>
        <li class="active">Middle page</li>
      </ul>
      <ul class="breadcrumb">
        <li><a href="#">Home</a> <span class="divider">/</span></li>
        <li><a href="#">Middle page</a> <span class="divider">/</span></li>
        <li class="active">Another one</li>
      </ul>
      <ul class="breadcrumb">
        <li><a href="#">Home</a> <span class="divider">/</span></li>
        <li><a href="#">Middle page</a> <span class="divider">/</span></li>
        <li><a href="#">Another one</a> <span class="divider">/</span></li>
        <li class="active">You are here</li>
      </ul>
    </div>
  </div>

  <!-- Pagination -->
  <div class="row">
    <div class="span4">
      <h2>Pagination</h2>
      <p>Ultra simplistic and minimally styled pagination inspired by Rdio. The large block is hard to miss, easily scalable, and provides large click areas.</p>
    </div>
    <div class="span12">
      <div class="pagination">
        <ul>
          <li class="prev disabled"><a href="#">&larr; Previous</a></li>
          <li class="active"><a href="#">1</a></li>
          <li><a href="#">2</a></li>
          <li><a href="#">3</a></li>
          <li><a href="#">4</a></li>
          <li><a href="#">5</a></li>
          <li class="next"><a href="#">Next &rarr;</a></li>
        </ul>
      </div>
      <div class="pagination">
        <ul>
          <li class="prev"><a href="#">&larr; Previous</a></li>
          <li class="active"><a href="#">10</a></li>
          <li><a href="#">11</a></li>
          <li><a href="#">12</a></li>
          <li class="disabled"><a href="#">…</a></li>
          <li><a href="#">19</a></li>
          <li><a href="#">20</a></li>
          <li><a href="#">21</a></li>
          <li class="next"><a href="#">Next &rarr;</a></li>
        </ul>
      </div>
      <div class="pagination">
        <ul>
          <li class="prev"><a href="#">&larr; Previous</a></li>
          <li><a href="#">10</a></li>
          <li><a href="#">11</a></li>
          <li><a href="#">12</a></li>
          <li><a href="#">13</a></li>
          <li><a href="#">14</a></li>
          <li class="active"><a href="#">15</a></li>
          <li><a href="#">16</a></li>
          <li><a href="#">17</a></li>
          <li><a href="#">18</a></li>
          <li><a href="#">19</a></li>
          <li><a href="#">20</a></li>
          <li class="next"><a href="#">Next &rarr;</a></li>
        </ul>
      </div>
<pre class="prettyprint linenums">
&lt;div class="pagination"&gt;
  &lt;ul&gt;
    &lt;li class="prev disabled"&gt;&lt;a href="#"&gt;&amp;larr; Previous&lt;/a&gt;&lt;/li>
    &lt;li class="active"&gt;&lt;a href="#"&gt;1&lt;/a&gt;&lt;/li&gt;
    &lt;li&gt;&lt;a href="#"&gt;2&lt;/a&gt;&lt;/li&gt;
    &lt;li&gt;&lt;a href="#"&gt;3&lt;/a&gt;&lt;/li&gt;
    &lt;li&gt;&lt;a href="#"&gt;4&lt;/a&gt;&lt;/li&gt;
    &lt;li&gt;&lt;a href="#"&gt;5&lt;/a&gt;&lt;/li&gt;
    &lt;li class="next"&gt;&lt;a href="#"&gt;Next &amp;rarr;&lt;/a&gt;&lt;/li>
  &lt;/ul&gt;
&lt;/div&gt;
</pre>
    </div>
  </div><!-- /row -->

</section>



<!-- Alerts & Messages
================================================== -->
<section id="alerts">
  <div class="page-header">
    <h1>Alerts &amp; Errors <small>Styles for success, warning, and error messages or alerts</small></h1>
  </div>
  <!-- Basic alert messages -->
  <div class="row">
    <div class="span4">
      <h2>Basic alerts</h2>
      <p><code>div.alert-message</code></p>
      <p>One-line messages for highlighting the failure, possible failure, or success of an action. Particularly useful for forms.</p>
    </div>
    <div class="span12">
      <div class="alert-message warning">
        <a class="close" href="#">&times;</a>
        <p><strong>Holy guacamole!</strong> Best check yo self, you’re not looking too good.</p>
      </div>
      <div class="alert-message error">
        <a class="close" href="#">&times;</a>
        <p><strong>Oh snap!</strong> Change this and that and try again.</p>
      </div>
      <div class="alert-message success">
        <a class="close" href="#">&times;</a>
        <p><strong>Well done!</strong> You successfully read this alert message.</p>
      </div>
      <div class="alert-message info">
        <a class="close" href="#">&times;</a>
        <p><strong>Heads up!</strong> This is an alert that needs your attention, but it’s not a huge priority just yet.</p>
      </div>
    </div>
  </div><!-- /row -->
  <!-- Block messages -->
  <div class="row">
    <div class="span4">
      <h2>Block messages</h2>
      <p><code>div.alert-message.block-message</code></p>
      <p>For messages that require a bit of explanation, we have paragraph style alerts. These are perfect for bubbling up longer error messages, warning a user of a pending action, or just presenting information for more emphasis on the page.</p>
    </div>
    <div class="span12">
      <div class="alert-message block-message warning">
        <a class="close" href="#">&times;</a>
        <p><strong>Holy guacamole! This is a warning!</strong> Best check yo self, you’re not looking too good. Nulla vitae elit libero, a pharetra augue. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.</p>
        <div class="alert-actions">
          <a class="btn small" href="#">Take this action</a> <a class="btn small" href="#">Or do this</a>
        </div>
      </div>
      <div class="alert-message block-message error">
        <a class="close" href="#">&times;</a>
        <p><strong>Oh snap! You got an error!</strong> Change this and that and try again.</p>
        <ul>
          <li>Duis mollis est non commodo luctus</li>
          <li>Nisi erat porttitor ligula</li>
          <li>Eget lacinia odio sem nec elit</li>
        </ul>
        <div class="alert-actions">
          <a class="btn small" href="#">Take this action</a> <a class="btn small" href="#">Or do this</a>
        </div>
      </div>
      <div class="alert-message block-message success">
        <a class="close" href="#">&times;</a>
        <p><strong>Well done!</strong> You successfully read this alert message. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Maecenas faucibus mollis interdum.</p>
        <div class="alert-actions">
          <a class="btn small" href="#">Take this action</a> <a class="btn small" href="#">Or do this</a>
        </div>
      </div>
      <div class="alert-message block-message info">
        <a class="close" href="#">&times;</a>
        <p><strong>Heads up!</strong> This is an alert that needs your attention, but it’s not a huge priority just yet.</p>
        <div class="alert-actions">
          <a class="btn small" href="#">Take this action</a> <a class="btn small" href="#">Or do this</a>
        </div>
      </div>
    </div>
  </div><!-- /row -->
</section>


<!-- Popovers
================================================== -->
<section id="popovers">
  <div class="page-header">
    <h1>Popovers <small>Components for displaying content in modals, tooltips, and popovers</small></h1>
  </div>
  <div class="row">
    <div class="span4">
      <h2>Modals</h2>
      <p>Modals&mdash;dialogs or lightboxes&mdash;are great for contextual actions in situations where it’s important that the background context be maintained.</p>
    </div>
    <div class="span12">
      <div class="well" style="background-color: #888; border: none; padding: 40px;">
        <!-- Modal -->
        <div class="modal" style="position: relative; top: auto; left: auto; margin: 0 auto; z-index: 1">
          <div class="modal-header">
            <a href="#" class="close">&times;</a>
            <h3>Modal Heading</h3>
          </div>
          <div class="modal-body">
            <p>One fine body…</p>
          </div>
          <div class="modal-footer">
            <a href="#" class="btn secondary">Secondary</a>
            <a href="#" class="btn primary">Primary</a>
          </div>
        </div>
      </div>
    </div>
  </div><!-- /row -->

  <!-- Tooltips -->
  <div class="row">
    <div class="span4">
      <h2>Tool Tips</h2>
      <p>Twipsies are super useful for aiding a confused user and pointing them in the right direction.</p>
    </div>
    <div class="span12">
      <div class="twipsies well">
        <div style="position: relative">
          <p class="muted" style="margin-bottom: 0">
Lorem ipsum dolar sit amet illo error <a href="#" title="below">ipsum</a> veritatis aut iste perspiciatis iste voluptas natus illo quasi odit aut natus consequuntur consequuntur, aut natus illo voluptatem odit perspiciatis laudantium rem doloremque totam voluptas. <a href="#" title="right">Voluptasdicta</a> eaque beatae aperiam ut enim voluptatem explicabo explicabo, voluptas quia odit fugit accusantium totam totam architecto explicabo sit quasi fugit fugit, totam doloremque unde sunt <a href="#" title="left">sed</a> dicta quae accusantium fugit voluptas nemo voluptas voluptatem <a href="#" title="above">rem</a> quae aut veritatis quasi quae.
          </p>
        </div>
      </div>
    </div>
  </div><!-- /row -->

  <!-- Popovers -->
  <div class="row">
    <div class="span4">
      <h2>Popovers</h2>
      <p>Use popovers to provide subtextual information to a page without affecting layout.</p>
    </div>
    <div class="span12">
      <div class="well popover-well">
         <div class="popover-wrapper">
          <div class="popover left">
            <div class="arrow"></div>
            <div class="inner">
              <h3 class="title">Popover Title</h3>
              <div class="content">
                <p>Etiam porta sem malesuada magna mollis euismod. Maecenas faucibus mollis interdum. Morbi leo risus, porta ac consectetur ac, vestibulum at eros.</p>
              </div>
            </div>
          </div>
          <img class="large-bird" src="assets/img/bird.png" width="220px" height="145px">
        </div>
      </div>
    </div>
  </div><!-- /row -->
</section>


<!-- Using Javascript w/ Bootstrap
 ================================================== -->

 <section id="javascript">
   <div class="page-header">
     <h1>Using Javascript with Bootstrap <small>An index of plugins to get you started</small></h1>
   </div>
   <div class="row">
     <div class="span4">
       <p>Integrating javascript with the Bootstrap library is super easy. Below we go over the basics and provide you with some awesome plugins to get you started!</p>
     </div>
     <div class="span12">
       <h2>Getting started</h2>
       <p>We've set out to make your interactive work with Bootstrap even more simple, offering several lightweight plugins for things like modals, tooltips, and other dynamic components. These plugins have been coded up to work with either <a href="http://jquery.com/" target="_blank">jQuery</a> or <a href="http://ender.no.de" target="_blank">Ender</a>, but we encourage you to extend and modify them to fit your development needs!</p>
       <h2>Do I need javascript?</h2>
       <p>The short answer is <strong>no</strong>... of course not! However, for those who need it, we've provided the plugins below to help you understand how to integrate bootstrap with javascript and to give you a quick lightweight option for dropping something in and getting the basic functionality right away! For more information on these plugins and to see demos of them in action, please refer to our <a href="./javascript.html">plugin documentation page</a>.</p>
       <table class="zebra-striped">
         <thead>
           <tr>
             <th style="width: 150px;">File</th>
             <th>Description</th>
           </tr>
         </thead>
         <tbody>
           <tr>
             <td><a href="./javascript.html#modal">bootstrap-modal.js</a></td>
             <td>Our Modal plugin is a <strong>super</strong> slim take on the traditional modal js plugin! We took special care to include only the bare functionality that we require at twitter.</td>
           </tr>
           <tr>
             <td><a href="./javascript.html#alerts">bootstrap-alerts.js</a></td>
             <td>The alert plugin is a super tiny class for adding close functionality to alerts.</td>
           </tr>
           <tr>
             <td><a href="./javascript.html#dropdowns">bootstrap-dropdown.js</a></td>
             <td>This plugin is for adding dropdowns to the bootstrap topbar or tabbed navigations.</td>
           </tr>
           <tr>
             <td><a href="./javascript.html#tabs">bootstrap-tabs.js</a></td>
             <td>This plugin adds quick, dynamic tab and pill functionality for cycling through local content.</td>
           </tr>
           <tr>
             <td><a href="./javascript.html#twipsy">bootstrap-twipsy.js</a></td>
             <td>Based on the excellent jQuery.tipsy plugin written by Jason Frame; twipsy is an updated version, which doesn't rely on images, uses css3 for animations, and data-attributes for local title storage!</td>
           </tr>
           <tr>
             <td><a href="./javascript.html#popover">bootstrap-popover.js</a></td>
             <td>The popover plugin provides a simple interface for adding popovers to your application. It extends the <a href="#twipsy">boostrap-twipsy.js</a> plugin, so be sure to grab that file as well when including popovers in your project!</td>
           </tr>
         </tbody>
       </table>
     </div>
   </div>


<!-- Using Bootstrap w/ Less
================================================== -->
<section id="less">
<div class="page-header">
  <h1>Using Bootstrap with Less <small>Supercharge your CSS with variables, mixins, and functions</small></h1>
</div>
<div class="row">
  <div class="span4">
    <p>Bootstrap was built with <a href="http://markdotto.com/bootstrap/">Preboot</a>, an open-source pack of mixins and variables to be used in conjunction with <a href="http://lesscss.org" target="_blank">Less</a>, a CSS preprocessor for faster and easier web development.</p>
    <p>Check out how we used Preboot in Bootstrap and how you can make use of it should you choose to run Less on your next project.</p>
  </div>
  <div class="span12">
    <h2>How to use it</h2>
    <p>Use this option to make full use of Bootstrap’s Less variables, mixins, and nesting in CSS via javascript in your browser.</p>
<pre class="prettyprint linenums">
&lt;link rel="stylesheet/less" href="less/bootstrap.less" media="all" /&gt;
&lt;script src="js/less-1.1.3.min.js"&gt;&lt;/script&gt;</pre>
<p>Not feeling the .js solution? <a href="http://incident57.com/less" target="_blank">Try the Less Mac app</a> or <a href="http://lesscss.org/#-client-side-usage" target="_blank">use Node.js</a> to compile when you deploy your code.</p>

    <h2>What’s included</h2>
    <p>Here are some of the highlights of what’s included in Twitter Bootstrap as part of Bootstrap. Head over to the Bootstrap website or Github project page to download and learn more.</p>
    <h3>Variables</h3>
    <p>Variables in Less are perfect for maintaining and updating your CSS headache free. When you want to change a color value or a frequently used value, update it in one spot and you’re set.</p>
<pre class="prettyprint linenums">
// Links
@linkColor:         #8b59c2;
@linkColorHover:    darken(@linkColor, 10);

// Grays
@black:             #000;
@grayDark:          lighten(@black, 25%);
@gray:              lighten(@black, 50%);
@grayLight:         lighten(@black, 70%);
@grayLighter:       lighten(@black, 90%);
@white:             #fff;

// Accent Colors
@blue:              #08b5fb;
@green:             #46a546;
@red:               #9d261d;
@yellow:            #ffc40d;
@orange:            #f89406;
@pink:              #c3325f;
@purple:            #7a43b6;

// Baseline grid
@basefont:          13px;
@baseline:          18px;
</pre>

<h3>Commenting</h3>
<p>Less also provides another style of commenting in addition to CSS’s normal <code>/* ... */</code> syntax.</p>
<pre class="prettyprint linenums">
// This is a comment
/* This is also a comment */
</pre>

<h3>Mixins up the wazoo</h3>
<p>Mixins are basically includes or partials for CSS, allowing you to combine a block of code into one. They’re great for vendor prefixed properties like <code>box-shadow</code>, cross-browser gradients, font stacks, and more. Below is a sample of the mixins that are included with Bootstrap.</p>
<h4>Font stacks</h4>
<pre class="prettyprint linenums">
#font {
  .shorthand(@weight: normal, @size: 14px, @lineHeight: 20px) {
    font-size: @size;
    font-weight: @weight;
    line-height: @lineHeight;
  }
  .sans-serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: @size;
    font-weight: @weight;
    line-height: @lineHeight;
  }
  .serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
    font-family: "Georgia", Times New Roman, Times, sans-serif;
    font-size: @size;
    font-weight: @weight;
    line-height: @lineHeight;
  }
  .monospace(@weight: normal, @size: 12px, @lineHeight: 20px) {
    font-family: "Monaco", Courier New, monospace;
    font-size: @size;
    font-weight: @weight;
    line-height: @lineHeight;
  }
}
</pre>
<h4>Gradients</h4>
<pre class="prettyprint linenums">
#gradient {
  .horizontal (@startColor: #555, @endColor: #333) {
    background-color: @endColor;
    background-repeat: repeat-x;
    background-image: -khtml-gradient(linear, left top, right top, from(@startColor), to(@endColor)); // Konqueror
    background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
    background-image: -ms-linear-gradient(left, @startColor, @endColor); // IE10
    background-image: -webkit-gradient(linear, left top, right top, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
    background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(left, @startColor, @endColor); // Le standard
  }
  .vertical (@startColor: #555, @endColor: #333) {
    background-color: @endColor;
    background-repeat: repeat-x;
    background-image: -khtml-gradient(linear, left top, left bottom, from(@startColor), to(@endColor)); // Konqueror
    background-image: -moz-linear-gradient(@startColor, @endColor); // FF 3.6+
    background-image: -ms-linear-gradient(@startColor, @endColor); // IE10
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
    background-image: -webkit-linear-gradient(@startColor, @endColor); // Safari 5.1+, Chrome 10+
    background-image: -o-linear-gradient(@startColor, @endColor); // Opera 11.10
    background-image: linear-gradient(@startColor, @endColor); // The standard
  }
  .directional (@startColor: #555, @endColor: #333, @deg: 45deg) {
    ...
  }
  .vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
    ...
  }
}
</pre>

<h3>Operations and grid system</h3>
<p>Get fancy and perform some math to generate flexible and powerful mixins like the one below.</p>
<pre class="prettyprint linenums">
// Griditude
@gridColumns:       16;
@gridColumnWidth:   40px;
@gridGutterWidth:   20px;
@siteWidth:         (@gridColumns * @gridColumnWidth) + (@gridGutterWidth * (@gridColumns - 1));

// Grid System
.container {
  width: @siteWidth;
  margin: 0 auto;
  .clearfix();
}
.columns(@columnSpan: 1) {
  width: (@gridColumnWidth * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1));
}
.offset(@columnOffset: 1) {
  margin-left: (@gridColumnWidth * @columnOffset) + (@gridGutterWidth * (@columnOffset - 1)) + @extraSpace;
}
</pre>
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