<nav>

<ul class="nav-ul">
    <li class="nav-li"><a href="{{ site.baseurl }}/">Home</a></li>
    {% for page in site.pages %}
        {% if page.title %}
            <li class="nav-li"><a href="{{ page.url | prepend: site.baseurl }}">{{ page.title }}</a></li>
        {% endif %}
    {% endfor %}
</ul>

</nav>