popov.link/_includes/header.html

<section class="container">
  <a href="{{ site.baseurl | uri_escape }}" class="navigation-title">Home</a>
  <ul class="navigation-list float-right">
    <li class="navigation-item">
      {% for item in site.pages reversed %}
        {% assign title = item.title | strip_newlines | strip_html | strip | normalize_whitespace | smartify %}
        {% assign link = item.url | relative_url | uri_escape %}
        <!-- Show the link -->
        {% if item.show == true %}
          <a href="{{ link }}" class="navigation-link">{{ title }}</a>
        {% endif %}
      {% endfor %}
    </li>
  </ul>
</section>