dsfr4drupal-1.x-dev/templates/views/views-view-unformatted--media-library.html.twig

{% set row_classes = [
  default_row_class ? 'views-row',
] %}

{% if title %}
  <h3>{{ title }}</h3>
{% endif %}

<div class="fr-grid-row fr-grid-row--gutters">
  {% for row in rows %}
    <div{{ row.attributes.addClass(row_classes).addClass(['fr-col-12', 'fr-col-sm-6', 'fr-col-md-4', 'fr-col-lg-3']) }}>
      {{- row.content -}}
    </div>
  {% endfor %}
</div>