themes-wordpress/otis/parts/header.html

<!-- wp:group {"style":{"spacing":{"padding":{"right":"var:preset|spacing|50","left":"var:preset|spacing|50"}}},"layout":{"type":"default"}} -->
<div class="wp-block-group" style="padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)"><!-- wp:site-title {"style":{"typography":{"fontSize":"7rem","fontStyle":"normal","fontWeight":"400"}}} /-->

<!-- wp:separator -->
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<!-- /wp:separator --></div>
<!-- /wp:group -->