<ul class="navbar-nav">
  {% if theme_navbar_links %}
  {%- for link in theme_navbar_links %}
  <li class="nav-item">
    <a class="nav-link" href="{{ pathto(*link[1:]) }}">{{ link[0] }}</a>
  </li>
  {%- endfor %}
  {% endif %}
  
  {% block navbarextra %}
  {% endblock %}
</ul>
