figureslibres.cc/user/plugins/admin/themes/grav/templates/media-list-content.html.twig

{% set index = uri.param('index') %}

{% for file in admin.files(true, index) %}
    {% set the_file = file.file %}

    {% if the_file.exists and the_file.display() is not empty %}
    <div class="card-item">
        <div class="admin-media-details">
            <a href="{% if is_modal %}#{% else %}{{ admin_route('/media-manager/' ~ the_file.filepath|base64_encode) }}{% endif %}" class="js__media-element" data-file-url="{{ file.page_route ~ '/' ~ file.title }}">
                {% set thumbnail = the_file.display(the_file.extension == 'svg' ? 'source' : 'thumbnail') %}
                {% if thumbnail %}
                <img src="{{thumbnail.cropZoom(250, 250).url}}" />
                <h4 class="admin-media-title">{{ file.title }}</h4>
                {% endif %}
            </a>
        </div>
    </div>
    {% endif %}
{% endfor %}