themes-wordpress/ici/patterns/header.php

<?php
/**
 * Title: Default header
 * Slug: ici/header
 * Categories: header
 * Block Types: core/template-part/header
 */
?>

<!-- wp:group {"style":{"spacing":{"padding":{"top":"var:preset|spacing|30","right":"var:preset|spacing|30","bottom":"var:preset|spacing|30","left":"var:preset|spacing|30"},"blockGap":"0","margin":{"top":"var:preset|spacing|80","bottom":"var:preset|spacing|50"}}},"layout":{"type":"constrained","contentSize":""}} -->
<div class="wp-block-group" style="margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--50);padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)">
	<!-- wp:site-title {"level":0,"typography":{"lineHeight":"1.1"}} /-->

	<!-- wp:spacer {"height":"16px"} -->
	<div style="height:16px" aria-hidden="true" class="wp-block-spacer"></div>
	<!-- /wp:spacer -->

	<!-- wp:separator {"className":"is-style-default"} -->
	<hr class="wp-block-separator has-alpha-channel-opacity is-style-default"/>
	<!-- /wp:separator -->
</div>
<!-- /wp:group -->