dxpr_theme-5.0.1/templates/form--search-block-form.html.twig

{#
/**
 * @file
 * Theme override for a 'form' element.
 *
 * Available variables
 * - attributes: A list of HTML attributes for the wrapper element.
 * - children: The child elements of the form.
 *
 * @see template_preprocess_form()
 */
#}
<form{{ attributes }}>
    <div class="input-group">
        {{ children }}
    </div>
</form>