{% capture category %}{{ page.categories | size }}{% endcapture %}

{% unless category == "0" %}
<div class="categories">
  <svg class="classification-icon"><use xlink:href="#folder"></use></svg>
  {% for category in page.categories %}
    <a class="categories-link" href="/{{ site.category_dir }}/{{ category }}">{{ category }}</a>
  {% endfor %}
</div>
{% endunless %}