title: Bootstrap grid classes ignored
body: <p>I am using Bootstrap grid system to create 3-grid fixed vertical navigation tabs on the left and 9-grid normal flow contents on the right. However, it seems all the class .col-<em>-</em> or offset-<em>-</em> are ignored. I checked that on the other elements, the bootstrap.min.css stylings were applied fine but I only can't use column classes. Is there any reason that might be causing this bug?
  The code below is the simple code I included in my file but still doesn't work. Even though .container-fluid and .row is applied fine, it doesn't recognise .col-<em>-</em>  Thank you.</p>
  <pre><code>&lt;div class=&quot;container-fluid&quot;&gt;
      &lt;div class=&quot;row&quot;&gt;
        &lt;div class=&quot;col-xs-4&quot;&gt;
          Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
        &lt;/div&gt;
        &lt;div class=&quot;col-xs-6&quot;&gt;
          Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
        &lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  </code></pre>