D8_rplf/modules/field_group/templates/field-group-accordion-item.html.twig

{#
/**
 * @file
 * Default theme implementation for a fieldgroup accordion item.
 *
 * Available variables:
 * - title: Title of the group.
 * - children: The children of the group.
 * - label_attributes: A list of HTML attributes for the label.
 * - attributes: A list of HTML attributes for the group wrapper.
 *
 * @see template_preprocess_field_group_accordion()
 *
 * @ingroup themeable
 */
#}
{%

  set label_classes = [
    'field-group-format-toggler',
    'accordion-item',
    open ? 'field-group-accordion-active',
  ]

%}

{%
  set classes = [
    'field-group-format-wrapper',
  ]
%}

<h3 {{ label_attributes.addClass(label_classes) }}>
  <a href="#">{{ title }}</a>
</h3>
<div {{ attributes.addClass(classes) }}>
  {% if description %}<div class="description"></div>{% endif %}
  {{children}}
</div>