jorge/docs/includes/nav.html

<nav>
    <a href="/">{{ site.config.name }}</a>

    {% assign section = page.path|split:"/" | first  %}
    <a {% if section == "tutorial" %}style="font-weight:bold"{% endif %} href="/tutorial/">tutorial</a>
    <a {% if section == "blog" %}style="font-weight:bold"{% endif %} href="/blog/">devlog</a>

    <div class="nav-right hidden-mobile">
        <a href="https://github.com/facundoolano/jorge">source</a>
        <a href="https://github.com/facundoolano/jorge/releases/latest">download</a>
    </div>
</nav>