bootstrap_storybook-8.x-2.0/src/components/form/details.twig

{#
/**
 * @file
 * Theme override for a details element.
 */
#}
{% set css_classes = [
  'card',
  'mb-3',
] %}

<details{{ attributes.addClass(css_classes) }}>
  {%
    set summary_classes = [
      'card-header',
      required ? 'js-form-required',
      required ? 'form-required',
    ]
  %}
  {%- if title -%}
    <summary{{ summary_attributes.addClass(summary_classes) }}>
      {{ title }}
    </summary>
  {%- endif -%}

  {% if errors %}
    <div>
      {{ errors }}
    </div>
  {% endif %}

  <div class="card-body">
    {{ description }}
    {{ children }}
    {{ value }}
  </div>
</details>