<header class="navbar navbar-inverse navbar-fixed-top bs-docs-nav" role="banner">

   <div class="container">

     <div class="navbar-header">

       <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".bs-navbar-collapse">

         <span class="sr-only">Toggle navigation</span>

         <span class="icon-bar"></span>

         <span class="icon-bar"></span>

         <span class="icon-bar"></span>

       </button>

       <a href="{{ page.base_url }}" class="navbar-brand">Bootstrap</a>

     </div>

     <nav class="collapse navbar-collapse bs-navbar-collapse" role="navigation">

       <ul class="nav navbar-nav">

         <li{% if page.slug == "getting-started" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}getting-started">Getting started</a>

         </li>

         <li{% if page.slug == "css" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}css">CSS</a>

         </li>

         <li{% if page.slug == "components" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}components">Components</a>

         </li>

         <li{% if page.slug == "js" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}javascript">JavaScript</a>

         </li>

         <li{% if page.slug == "customize" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}customize">Customize</a>

         </li>

       </ul>

       <ul class="nav navbar-nav navbar-right">

         <li{% if page.slug == "about" %} class="active"{% endif %}>

           <a href="{{ page.base_url }}about">About</a>

         </li>

       </ul>

     </nav>

   </div>

 </header>