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      <title>Bootstrap, from Twitter</title>
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        <!-- Masthead
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        <header class="jumbotron subhead" id="overview">
          <h1>Scaffolding</h1>
          <p class="lead">Bootstrap is built on a responsive 12-column grid. We've also included fixed- and fluid-width layouts based on that system.</p>
          <div class="subnav">
            <ul class="nav nav-pills">
              <li><a href="#grid-system">Grid system</a></li>
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              <li><a href="#responsive">Responsive design</a></li>
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  <!-- Grid system
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  <section id="grid-system">
    <div class="page-header">
      <h1>Grid system <small>12 columns with a responsive twist</small></h1>
    </div>
  
    <h2>Default 940px grid</h2>
    <div class="row show-grid">
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
      <div class="span1">1</div>
    </div>
    <div class="row show-grid">
      <div class="span4">4</div>
      <div class="span4">4</div>
      <div class="span4">4</div>
    </div>
    <div class="row show-grid">
      <div class="span4">4</div>
      <div class="span8">8</div>
    </div>
    <div class="row show-grid">
      <div class="span6">6</div>
      <div class="span6">6</div>
    </div>
    <div class="row show-grid">
      <div class="span12">12</div>
    </div>
    <div class="row">
      <div class="span4">
        <p>The default grid system provided as part of Bootstrap is a <strong>940px-wide, 12-column grid</strong>.</p>
        <p>It also has four responsive variations for various devices and resolutions: phone, tablet portrait, table landscape and small desktops, and large widescreen desktops.</p>
      </div>
      <div class="span4">
  <pre class="prettyprint linenums">
  &lt;div class="row"&gt;
    &lt;div class="span4"&gt;...&lt;/div&gt;
    &lt;div class="span8"&gt;...&lt;/div&gt;
  &lt;/div&gt;
  </pre>
      </div>
      <div class="span4">
        <p>As shown here, a basic layout can be created with two "columns," each spanning a number of the 12 foundational columns we defined as part of our grid system.</p>
      </div>
    </div><!-- /row -->
  
    <br>
  
    <h2>Offsetting columns</h2>
    <div class="row show-grid">
      <div class="span4">4</div>
      <div class="span4 offset4">4 offset 4</div>
    </div><!-- /row -->
    <div class="row show-grid">
      <div class="span3 offset3">3 offset 3</div>
      <div class="span3 offset3">3 offset 3</div>
    </div><!-- /row -->
    <div class="row show-grid">
      <div class="span8 offset4">8 offset 4</div>
    </div><!-- /row -->
  <pre class="prettyprint linenums">
  &lt;div class="row"&gt;
    &lt;div class="span4"&gt;...&lt;/div&gt;
    &lt;div class="span4 offset4"&gt;...&lt;/div&gt;
  &lt;/div&gt;
  </pre>
  
    <br>
  
    <h2>Nesting columns</h2>
    <div class="row">
      <div class="span6">
        <p>With the static (non-fluid) grid system in Bootstrap, nesting is easy. To nest your content, just add a new <code>.row</code> and set of <code>.span*</code> columns within an existing <code>.span*</code> column.</p>
        <h4>Example</h4>
        <div class="row show-grid">
          <div class="span6">
            Level 1 of column
            <div class="row show-grid">
              <div class="span3">
                Level 2
              </div>
              <div class="span3">
                Level 2
              </div>
            </div>
          </div>
        </div>
      </div>
      <div class="span6">
  <pre class="prettyprint linenums">
  &lt;div class="row"&gt;
    &lt;div class="span12"&gt;
      Level 1 of column
      &lt;div class="row"&gt;
        &lt;div class="span6"&gt;Level 2&lt;/div&gt;
        &lt;div class="span6"&gt;Level 2&lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </pre>
      </div>
    </div>
  
    <h2>Grid customization</h2>
    <table class="table table-bordered table-striped">
      <thead>
        <tr>
          <th>Variable</th>
          <th>Default value</th>
          <th>Description</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td><code>@gridColumns</code></td>
          <td>12</td>
          <td>Number of columns</td>
        </tr>
        <tr>
          <td><code>@gridColumnWidth</code></td>
          <td>60px</td>
          <td>Width of each column</td>
        </tr>
        <tr>
          <td><code>@gridGutterWidth</code></td>
          <td>20px</td>
          <td>Negative space between columns</td>
        </tr>
        <tr>
          <td><code>@siteWidth</code></td>
          <td><em>Computed sum of all columns and gutters</em></td>
          <td>Counts number of columns and gutters to set width of the <code>.container-fixed()</code> mixin</td>
        </tr>
      </tbody>
    </table>
    <div class="row">
      <div class="span4">
        <h3>Variables in LESS</h3>
        <p>Built into Bootstrap are a handful of variables for customizing the default 940px grid system, documented above. All variables for the grid are stored in variables.less.</p>
      </div>
      <div class="span4">
        <h3>How to customize</h3>
        <p>Modifying the grid means changing the three <code>@grid*</code> variables and recompiling Bootstrap. Change the grid variables in variables.less and use one of the <a href="#compiling">four ways documented to recompile</a>. If you're adding more columns, be sure to add the CSS for those in grid.less.</p>
      </div>
      <div class="span4">
        <h3>Staying responsive</h3>
        <p>Customization of the grid only works at the default level, the 940px grid. To maintain the responsive aspects of Bootstrap, you'll also have to customize the grids in responsive.less.</p>
      </div>
    </div><!-- /row -->
  
  </section>
  
  <!-- Layouts (Default and fluid)
  ================================================== -->
  <section id="layouts">
    <div class="page-header">
      <h1>Layouts <small>Basic templates to create webpages</small></h1>
    </div>
  
    <div class="row">
      <div class="span6">
        <h2>Fixed layout</h2>
        <p>The default and simple 940px-wide, centered layout for just about any website or page provided by a single <code>&lt;div class="container"&gt;</code>.</p>
        <div class="minicon-layout">
          <div class="minicon-layout-body"></div>
        </div>
  <pre class="prettyprint linenums">
  &lt;body&gt;
    &lt;div class="container"&gt;
      ...
    &lt;/div&gt;
  &lt;/body&gt;
  </pre>
      </div><!-- /col -->
      <div class="span6">
        <h2>Fluid layout</h2>
        <p><code>&lt;div class="container-fluid"&gt;</code> gives flexible page structure, min- and max-widths, and a left-hand sidebar. It's great for apps and docs.</p>
        <div class="minicon-layout fluid">
          <div class="minicon-layout-sidebar"></div>
          <div class="minicon-layout-body"></div>
        </div>
  <pre class="prettyprint linenums">
  &lt;div class="container-fluid"&gt;
    &lt;div class="row-fluid"&gt;
      &lt;div class="span2"&gt;
        &lt;!--Sidebar content--&gt;
      &lt;/div&gt;
      &lt;div class="span10"&gt;
        &lt;!--Body content--&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;
  </pre>
      </div><!-- /col -->
    </div><!-- /row -->
  </section>
  
  <!-- Responsive design
  ================================================== -->
  <section id="responsive">
    <div class="page-header">
      <h1>Responsive design <small>Media queries for various devices and resolutions</small></h1>
    </div>
    <!-- Supported devices -->
    <div class="row">
      <div class="span4">
        <img src="assets/img/responsive-illustrations.png" alt="Responsive devices">
      </div>
      <div class="span8">
        <h2>Supported devices</h2>
        <p>Bootstrap supports a handful of media queries to help make your projects more appropriate on different devices and screen resolutions. Here's what's included:</p>
        <table class="table table-bordered table-striped">
          <thead>
            <tr>
              <th>Label</th>
              <th>Layout width</th>
              <th>Column width</th>
              <th>Gutter width</th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td>Smartphones</td>
              <td>480px and below</td>
              <td class="muted" colspan="2">Fluid columns, no fixed widths</td>
            </tr>
            <tr>
              <td>Portrait tablets</td>
              <td>480px to 768px</td>
              <td class="muted" colspan="2">Fluid columns, no fixed widths</td>
            </tr>
            <tr>
              <td>Landscape tablets</td>
              <td>768px to 980px</td>
              <td>44px</td>
              <td>20px</td>
            </tr>
            <tr>
              <td>Default</td>
              <td>980px and up</td>
              <td>60px</td>
              <td>20px</td>
            </tr>
            <tr>
              <td>Large display</td>
              <td>1210px and up</td>
              <td>70px</td>
              <td>30px</td>
            </tr>
          </tbody>
        </table>
  
        <h3>What they do</h3>
        <p>Media queries allow for custom CSS based on a number of conditions&mdash;ratios, widths, display type, etc&mdash;but usually focuses around <code>min-width</code> and <code>max-width</code>.</p>
        <ul>
          <li>Modify the width of column in our grid</li>
          <li>Stack elements instead of float wherever necessary</li>
          <li>Resize headings and text to be more appropriate for devices</li>
        </ul>
      </div>
    </div>
  
    <br>
  
    <!-- Media query code -->
    <h2>Using the media queries</h2>
    <div class="row">
      <div class="span5">
        <p>Bootstrap doesn't automatically include these media queries, but understanding and adding them is very easy and requires minimal setup. You have a few options for including the responsive features of Bootstrap:</p>
        <ol>
          <li>Use the compiled responsive version, bootstrap-responsive.css</li>
          <li>Add @import "responsive.less" and recompile Bootstrap</li>
          <li>Modify and recompile responsive.less as a separate</li>
        </ol>
        <p><strong>Why not just include it?</strong> Truth be told, not everything needs to be responsive. Instead of encouraging developers to remove this feature, we figure it best to enable it.</p>
      </div>
      <div class="span7">
  <pre class="prettyprint linenums">
    // Landscape phones and down
    @media (max-width: 480px) { ... }
  
    // Landscape phone to portrait tablet
    @media (max-width: 768px) { ... }
  
    // Portrait tablet to landscape and desktop
    @media (min-width: 768px) and (max-width: 980px) { ... }
  
    // Large desktop
    @media (min-width: 1200px) { .. }
  </pre>
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(C) Æliens 04/09/2009

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