simple-s3-gallery/templates/card.html

<div class="col">
  <div class="card shadow-sm">
    <div class="card-header">
      <span class="flex">{{ this.title }}</span>
      <a
        href="#"
        class="btn btn-link float-end"
        data-bs-toggle="tooltip"
        data-bs-placement="top"
        data-bs-title="Add a reaction"
      >
        <i class="bi-heart-fill text-end" style="font-size: 1rem; color: pink;"></i>
      </a>
    </div>

    <img
      class="card-image-top"
      width="{{ this.width | default('100%') }}"
      height="{{ this.height | default('100%') }}"
      src="{{ this.src }}"
      alt="{{ this.alt_text if this.alt_text else this.title }}"
    />

    <div class="card-body">
      <p class="card-text">{{ this.description | default('') }}</p>
    </div>

    {% if this.reactions and gallery.max_reactions_per_card|int >= 1 %}
    <div class="card-footer text-body-secondary text-end">

      {% set reaction_iterations = namespace(value=0) %}
      {% for reaction, reaction_count in this.reactions|dictsort(by="value") %}
        {# Don't render reaction if we've reached the max number, or its counter is 0 (or lower) #}
        {% if reaction_iterations.value|int != gallery.max_reactions_per_card|int and reaction_count|int >= 1 %}

      <button class="btn btn-link btn-sm disabled text-body position-relative">
        {# TODO: Enable the button, and make clicking it toggle adding/removing that reaction to the counter, also color reaction button #}
        <i class="bi-{{ reaction }}"></i>

          {# Only show counter if more than 2 people gave the same reaction #}
          {% if reaction_count|int >= 2 %}
        <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-body-inverted text-body-inverted">
            {# Don't render reaction counts larger than 1000 #}
            {{ reaction_count if reaction_count <= 999 else '1K+' }}
          <span class="visually-hidden">
            {{ reaction_count }} people reacted with {{ reaction }}
          </span>
        </span>
          {% endif %}

      </button>

          {% set reaction_iterations.value = reaction_iterations.value + 1 %}
        {% endif %}
      {% endfor %}
      {% set reaction_iterations = none %}
    </div>
    {% endif %}

  </div>
</div>