miom.space/_includes/navigation.njk

<nav class="mi-nav" id="nav">
  <button
    type="button"
    class="mi-nav--toggle"
    onclick="document.getElementById('nav').classList.toggle('mi-nav_open')"
  >_menu</button>

  <ul class="mi-nav--list">
    {% for item in navigationItems %}
      {% if item.divider %}
        <li class="mi-nav--divider" aria-hidden="true"></li>
      {% else %}
        <li class="mi-nav--item">
          <a
            class="mi-nav--link"
            href="{{ item.link }}"
          >{{ item.text }}</a>
        </li>
      {% endif %}
    {% endfor %}
  </ul>
</nav>