_nav.html

<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
  <div class="container">
    {# Brand and toggle get grouped for better mobile display #}
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-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 class="navbar-brand" href="./">{{ title }}</a>
    </div>

    {# Collect the nav links, forms, and other content for toggling #}
    <div class="collapse navbar-collapse navbar-ex1-collapse">
      <ul class="sections nav navbar-nav">
        {% for item in nav %}
        <li><a href="{{ item.path }}" class="{% if PATH == item.path %}active{% endif %}"><span class="circle">{{ loop.index }}</span> {{ item.title }}</a></li>
        {% endfor %}
      </ul>
      <ul class="social-menu nav navbar-nav navbar-right">
          {% if opengraph_description and opengraph_image %}
          <li>
              <a target="_blank" href="https://www.facebook.com/sharer.php?u={{ ROOT_URL }}/{{ PATH }}&t={{ title|urlencode }}">
                  <i class="icon-white icon-facebook-sign"></i> <span class="hidden">Facebook</span>
              </a>
          </li>
          {% endif %}
          {% if twitter_description %}
          <li>
              <a target="_blank" href="https://twitter.com/share?url={{ ROOT_URL }}/{{ PATH }}&text={{ twitter_description|urlencode }}">
                  <i class="icon-white icon-twitter-sign"></i> <span class="hidden">Twitter</span>
              </a>
          </li>
          {% endif %}
          {% if opengraph_description and opengraph_image %}
          <li>
              <a target="_blank" href="https://plus.google.com/share?url={{ ROOT_URL }}/{{ PATH }}">
                  <i class="icon-white icon-google-plus-sign"></i> <span class="hidden">Google+</span>
              </a>
          </li>
          {% endif %}
      </ul>

    </div>{# /.navbar-collapse #}
  </div>
</nav>