{% assign current_link_id = page.breadcrumb | last %}

<nav class="bd-categories">
  {% for link_id in site.data.links.more %}
    {% assign link = site.data.links.by_id[link_id] %}

    <div class="bd-category">
      <header class="bd-category-header">
        <a class="bd-category-name {% if link_id == current_link_id %}is-active{% endif %}" href="{{ site.url }}{{ link.path }}">
          <strong>{{ link.name }}</strong>
        </a>
      </header>
    </div>
  {% endfor %}
</nav>