<nav class=“site-nav”>

<ul>
    <li><a class="nav-link" href="/">posts</a></li>
    <li><a class="nav-link" href="{{ site.author.bio-url }}">homepage</a></li>
    <li><a class="nav-link" href="/about/">about</a></li>
    <li><a class="nav-link site-title" href="{{ site.url }}/categories">categories</a></li>
    <li><a class="nav-link" href="{{ site.url }}/feed.xml">rss</a></li>
</ul>

</nav>