content/_includes/themes/apache/_navigation.html

    <div class="navbar navbar-inverse navbar-fixed-top" role="navigation">
      <div class="container">
        <div class="navbar-header">
          <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>
          <a class="navbar-brand" href="/">
            <img src="/assets/themes/apache/img/logo_white.png" width="80">
          </a>
        </div>
        <nav class="navbar-collapse collapse" role="navigation">
          <ul class="nav navbar-nav navbar-right">
            <li id="community">
              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Community<b class="caret"></b></a>
               <ul class="dropdown-menu">
                <li><a href="/community">Get Involved</a></li>
                <li><a href="/community-members">Who we are</a></li>
               </ul>
            </li>
            <li><a href="/marvin-platform-book/SUMMARY">Document</a></li>
            <li><a href="{{ site.data.project.source_repository_mirror }}">GitHub</a></li>
            <li id="apache">
              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Apache<b class="caret"></b></a>
               <ul class="dropdown-menu">
                <li><a href="http://www.apache.org/foundation/how-it-works.html">Apache Software Foundation</a></li>
                <li><a href="http://www.apache.org/licenses/">Apache License</a></li>
                <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li>
                <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li>
                </ul>
            </li>
          </ul>
        </nav><!--/.navbar-collapse -->
      </div>
    </div>

    {% if page.title == "Apache Marvin-AI" %}
    <div class="jumbotron">
      <div class="container">
        <h1>{{ site.data.project.name }}</h1>
        <p>{{ site.data.project.description }}</p>

        {% if site.data.project.download %}
        <a href="{{ site.data.project.download }}" class="btn btn-primary btn-lg bigFingerButton" role="button">Get {{ site.data.project.short_name }}</a></p>
        {% endif %}
      </div>
    </div>
    {% endif %}