Edit file File name : header-centered.php Content :<?php /** * Title: Centered header * Slug: twentytwentyfive/header-centered * Categories: header * Block Types: core/template-part/header * Description: Header with centered site title and navigation. * * @package WordPress * @subpackage Twenty_Twenty_Five * @since Twenty Twenty-Five 1.0 */ ?> <!-- wp:group {"layout":{"type":"constrained"}} --> <div class="wp-block-group"> <!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"top":"var:preset|spacing|60","bottom":"var:preset|spacing|30"}}},"layout":{"type":"constrained"}} --> <div class="wp-block-group alignwide" style="padding-top:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--30)"> <!-- wp:site-title {"level":0,"textAlign":"center","align":"wide","fontSize":"x-large"} /--> <!-- wp:group {"align":"wide","layout":{"type":"constrained"}} --> <div class="wp-block-group alignwide"> <!-- wp:navigation {"overlayBackgroundColor":"base","overlayTextColor":"contrast","layout":{"type":"flex","justifyContent":"center"}} /--> </div> <!-- /wp:group --> </div> <!-- /wp:group --> </div> <!-- /wp:group --> Save