dsfr4drupal-1.x-dev/templates/system/admin-block-content.html.twig

{% set classes = [
  'list-group',
  compact ? 'compact',
] %}
{% if content %}
  <dl{{ attributes.addClass(classes) }}>
    {% for item in content %}
      <dt class="list-group__link fr-mt-2v">{{ item.link }}</dt>
      {% if item.description %}
        <dd class="list-group__description">{{ item.description }}</dd>
      {% endif %}
    {% endfor %}
  </dl>
{% endif %}