bulma/docs/_includes/elements/sponsor-item.html

{% assign sponsor = site.data.sponsors.by_id[include.sponsor_id] %}
{% assign sponsor_path = "amis/" | append: include.sponsor_id %}
{% assign sponsor_alt = sponsor.name | append: " logo" %}
{% if sponsor.title != "" %}
  {% assign sponsor_alt = sponsor.title %}
{% endif %}

<a
class="bd-sponsor-item {{ include.classname }}"
href="{{ sponsor.url }}"
target="_blank"
{% unless sponsor.follow or sponsor.noopener %}
rel="nofollow"
{% endunless %}
{% if sponsor.noopener %}
rel="noopener"
{% endif %}
title="{{ sponsor_alt }}"
>
{% if sponsor.textOnly %}
  <strong>{{ sponsor.textOnly }}</strong>
{% else %}
{%
    include elements/responsive-image-2x.html
    path=sponsor_path
    extension="png"
    alt=sponsor_alt
    width=sponsor.width
    height=sponsor.height
  %}
{% endif %}
</a>