<div class="navbar navbar-default navbar-fixed-top" role="navigation">
     <div class="container">
 
         <!-- Collapsed navigation -->
         <div class="navbar-header">
             <!-- Expander button -->
             <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".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>
 
             <!-- Main title -->
             <a class="navbar-brand" href="{{ homepage_url }}">{{ site_name }}</a>
         </div>
 
         <!-- Expanded navigation -->
         <div class="navbar-collapse collapse">
             <!-- Main navigation -->
             <ul class="nav navbar-nav">
             {% for nav_item in nav %}
             {% if nav_item.children %}
                 <li class="dropdown{% if nav_item.active %} active{% endif %}">
                     <a href="#" class="dropdown-toggle" data-toggle="dropdown">{{ nav_item.title }} <b class="caret"></b></a>
                     <ul class="dropdown-menu">
                     {% for nav_item in nav_item.children %}
                         {% include "nav-sub.html" %}
                     {% endfor %}
                     </ul>
                 </li>
             {% else %}
                 <li {% if nav_item.active %}class="active"{% endif %}>
                     <a href="{{ nav_item.url }}">{{ nav_item.title }}</a>
                 </li>
             {% endif %}
             {% endfor %}
             </ul>
 
             <!-- Search, Navigation and Repo links -->
             <ul class="nav navbar-nav navbar-right">
                 <li>
                     <a href="#" data-toggle="modal" data-target="#mkdocs_search_modal">
                         <i class="fa fa-search"></i> Search
                     </a>
                 </li>
                 <li {% if not previous_page %}class="disabled"{% endif %}>
                     <a rel="next" {% if previous_page %}href="{{ previous_page.url }}"{% endif %}>
                         <i class="fa fa-arrow-left"></i> Previous
                     </a>
                 </li>
                 <li {% if not next_page %}class="disabled"{% endif %}>
                     <a rel="prev" {% if next_page %}href="{{ next_page.url }}"{% endif %}>
                         Next <i class="fa fa-arrow-right"></i>
                     </a>
                 </li>
                 {% if repo_url %}
                 <li>
                     <a href="{{ repo_url }}">
                         {% if repo_name == 'GitHub' %}
                             <i class="fa fa-github"></i>
                         {% elif repo_name == 'Bitbucket' %}
                             <i class="fa fa-bitbucket"></i>
                         {% endif %}
                         {{ repo_name }}
                     </a>
                 </li>
                 {% endif %}
             </ul>
         </div>
     </div>
 </div>