<nav>

<ul>
  <li>
    <a class="text-muted" href="/">
      {% if site.navbar_title %}
        {{ site.navbar_title | replace: ' ', "&nbsp;" | replace: "-", "&nbsp;"}}
      {% else %}
        {{ site.title | replace: ' ', "&nbsp;"}}
      {% endif %}
    </a>
  </li>
  <br />
  {% for item in site.data.nav.links %}
  <li>
    <a href="{{ item.url }}" {% if item.url == page.url %} class="active" {% endif %}>
    {{ item.title }}
    </a>
  </li>
  {% endfor %}
</ul>

</nav>