nav.html

<nav class="navbar navbar-inverse navbar-static-top">
    <div class="container">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                <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="/bits/redeclipse-small.png" alt="{{ site.title | default: site.github.repository_name }}"></a>
        </div>
        <div id="navbar" class="navbar-collapse collapse">
            <ul class="nav navbar-nav navbar-right">
                {% for navitem in site.data.navigation %}
                    <li class="navitem"><a href="{{ navitem.url }}" title="{{ navitem.title }}"><span class="{{ navitem.class }} fa-fw" aria-hidden="true"></span><div class="navtext">{{ navitem.title }}</div></a></li>
                {% endfor %}
            </ul>
            <ul class="nav navbar-nav navbar-right">
                {% for navitem in site.data.extlinks %}
                    <li class="navitem"><a href="{{ navitem.url }}" title="{{ navitem.title }}"><span class="{{ navitem.class }} fa-fw" aria-hidden="true"></span><div class="navtext">{{ navitem.title }}</div></a></li>
                {% endfor %}
            </ul>
        </div>
    </div>
</nav>