netbox/netbox/templates/extras/dashboard/widgets/bookmarks.html

{% if bookmarks %}
  <div class="list-group list-group-flush">
    {% for bookmark in bookmarks %}
      <a href="{{ bookmark.object.get_absolute_url }}" class="list-group-item list-group-item-action">
        {{ bookmark.object }}
      </a>
    {% endfor %}
  </div>
{% endif %}