title: Background gradients not working with Bootstrap navbar-fixed-top
body: <p>Background gradients are not working with Bootstrap 3.0 <code>navbar-fixed-top</code> or <code>bottom</code>, just default.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>html, body
  {
      height: auto;
      width: 100%;
      overflow-x: hidden;
  }
  
  body
  {
      background: #000000; /* fallback for old browsers */
      background: -webkit-linear-gradient(270deg, #000000 , #434343); /* Chrome 10-25, Safari 5.1-6 */
      background: linear-gradient(270deg, #000000 , #434343); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
          
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"&gt;&lt;/script&gt;
  &lt;link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet"/&gt;
  &lt;!--  Navigation  --&gt;
  &lt;nav class="navbar navbar-default navbar-fixed-bottom"&gt;
    &lt;div class="container-fluid"&gt;
      &lt;!-- Brand and toggle get grouped for better mobile display --&gt;
      &lt;div class="navbar-header"&gt;
        &lt;button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"&gt;
          &lt;span class="sr-only"&gt;Toggle navigation&lt;/span&gt;
          &lt;span class="icon-bar"&gt;&lt;/span&gt;
          &lt;span class="icon-bar"&gt;&lt;/span&gt;
          &lt;span class="icon-bar"&gt;&lt;/span&gt;
        &lt;/button&gt;
        &lt;a class="navbar-brand" href="#"&gt;Brand&lt;/a&gt;
      &lt;/div&gt;
  
      &lt;!-- Collect the nav links, forms, and other content for toggling --&gt;
      &lt;div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"&gt;
        &lt;ul class="nav navbar-nav"&gt;
          &lt;li class="active"&gt;&lt;a href="#"&gt;Link &lt;span class="sr-only"&gt;(current)&lt;/span&gt;&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href="#"&gt;Link&lt;/a&gt;&lt;/li&gt;
          &lt;li class="dropdown"&gt;
            &lt;a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"&gt;Dropdown &lt;span class="caret"&gt;&lt;/span&gt;&lt;/a&gt;
            &lt;ul class="dropdown-menu"&gt;
              &lt;li&gt;&lt;a href="#"&gt;Action&lt;/a&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Another action&lt;/a&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Something else here&lt;/a&gt;&lt;/li&gt;
              &lt;li role="separator" class="divider"&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Separated link&lt;/a&gt;&lt;/li&gt;
              &lt;li role="separator" class="divider"&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;One more separated link&lt;/a&gt;&lt;/li&gt;
            &lt;/ul&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
        &lt;form class="navbar-form navbar-left"&gt;
          &lt;div class="form-group"&gt;
            &lt;input type="text" class="form-control" placeholder="Search"&gt;
          &lt;/div&gt;
          &lt;button type="submit" class="btn btn-default"&gt;Submit&lt;/button&gt;
        &lt;/form&gt;
        &lt;ul class="nav navbar-nav navbar-right"&gt;
          &lt;li&gt;&lt;a href="#"&gt;Link&lt;/a&gt;&lt;/li&gt;
          &lt;li class="dropdown"&gt;
            &lt;a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"&gt;Dropdown &lt;span class="caret"&gt;&lt;/span&gt;&lt;/a&gt;
            &lt;ul class="dropdown-menu"&gt;
              &lt;li&gt;&lt;a href="#"&gt;Action&lt;/a&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Another action&lt;/a&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Something else here&lt;/a&gt;&lt;/li&gt;
              &lt;li role="separator" class="divider"&gt;&lt;/li&gt;
              &lt;li&gt;&lt;a href="#"&gt;Separated link&lt;/a&gt;&lt;/li&gt;
            &lt;/ul&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
      &lt;/div&gt;&lt;!-- /.navbar-collapse --&gt;
    &lt;/div&gt;&lt;!-- /.container-fluid --&gt;
  &lt;/nav&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>According to the DOM, I get an "<em>invalid property Value</em>" error. This only happens when I use the class <code>navbar-fixed-bottom</code>, or <code>navbar-fixed-top</code>.</p>
  
  <p>Has anyone run into a similar issue or know what could be causing the page to appear white?</p>
  
  <p>Here is a codepen: <a href="http://codepen.io/Xociety/pen/jAgoWR" rel="nofollow">http://codepen.io/Xociety/pen/jAgoWR</a> </p>