beginning-8.x-4.x-dev/templates/block/block--system-messages-block.html.twig

{#
/**
 * @file
 * Theme override for the messages block.
 *
 * Removes wrapper elements from block so that empty block does not appear when
 * there are no messages.
 *
 * Available variables:
 * - content: The content of this block.
 */
#}
{{ content }}