field_group-8.x-3.1/templates/horizontal-tabs.html.twig

{#
/**
 * @file
 * Default theme implementation for horizontal tabs.
 *
 * Available variables
 * - attributes: A list of HTML attributes for the wrapper element.
 * - children: The rendered children.
 *
 * @see template_preprocess_horizontal_tabs()
 *
 * @ingroup themeable
 */
#}
<div data-horizontal-tabs class="horizontal-tabs clearfix">
  <ul data-horizontal-tabs-list class="horizontal-tabs-list visually-hidden"></ul>
  <div data-horizontal-tabs-panes{{ attributes }}>{{ children }}</div>
</div>