themes-wordpress/snd/patterns/header.php

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

<!-- wp:group {"style":{"spacing":{"margin":{"top":"3.5rem","bottom":"var:preset|spacing|80"}}},"layout":{"type":"constrained"}} -->
<div class="wp-block-group" style="margin-top:3.5rem;margin-bottom:var(--wp--preset--spacing--80)"><!-- wp:group {"style":{"spacing":{"blockGap":"var:preset|spacing|40"}},"layout":{"type":"flex","orientation":"vertical"}} -->
<div class="wp-block-group"><!-- wp:site-logo {"width":70,"shouldSyncIcon":false,"className":"is-style-rounded"} /-->

<!-- wp:site-title {"fontSize":"large"} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group -->