bulma/docs/_includes/index/sponsor.html

<div class="section bd-partnrs">
  <div class="container">
    <div class="bd-partnrs-list">
      <div class="bd-partner bd-is-sponsor">
        <p class="bd-partner-title">Sponsors</p>

        <div class="bd-partner-sponsors">
          {% for sponsor_id in site.data.sponsors.home %}
            {% include elements/sponsor-item.html
              sponsor_id=sponsor_id
              classname="bd-partner-sponsor"
              %}
          {% endfor %}
        </div>
      </div>

      <div class="bd-partner bd-is-carbon">
        <p class="bd-partner-title">Ads via Carbon</p>
        <div class="bd-partner-carbon">
          {% include elements/carbon.html %}
        </div>
      </div>
    </div>
  </div>
</div>