{% if page.problem %} <section>

<ol class="effect-chain">

{% for x in site.chapter.effects %}

{% if page[x.key] %}
  <li class="effect-chain__link">
    <h3 class="is-size-4">{{ x.label }}</h3>
    {% assign collection = page[x.key] %}
    <ul class="effect-chain__sublink {{ x.key }}">
      {% for item in collection %}
      {% include effect-item.html %}
      {% endfor %}
    </ul>
  </li>
{% endif %}
  {% endfor %}
  </ol>

</section> <hr> {% endif %}