adaptivetheme-8.x-3.x-dev/at_core/templates/navigation/menu-local-action.html.twig

{#
/**
 * @file
 * Theme override for a single local action link.
 *
 * Available variables:
 * - attributes: HTML attributes for the wrapper element.
 * - link: A rendered link element.
 *
 * @see template_preprocess_menu_local_action()
 */
#}
<div class="action-links__button">{{ link }}</div>