usky-website/web/phpMyAdmin/templates/select_all.twig

<img class="selectallarrow" src="{{ theme_image_path }}arrow_{{ text_dir }}.png"
    width="38" height="22" alt="{% trans 'With selected:' %}">
<input type="checkbox" id="{{ form_name }}_checkall" class="checkall_box"
    title="{% trans 'Check all' %}">
<label for="{{ form_name }}_checkall">{% trans 'Check all' %}</label>
<em class="with-selected">{% trans 'With selected:' %}</em>