<nav class=“navbar navbar-default” data-spy=“affix” data-offset-top=“200”>

<div class="container-fluid">
    <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>                 
        </button>
        <a class="navbar-brand" href="/">{{ site.title }}</a>
    </div>
    <div class="collapse navbar-collapse" id="myNavbar">
        <ul class="nav navbar-nav">
            {% for page in site.pages %}
                <li><a href="{{ page.permalink }}">{{ page.title }}</a></li>
            {% endfor %}
        </ul>
    </div>
</div>

</nav>