themes-wordpress/antonia/parts/header.html

<!-- wp:group {"className":"gapless-group","layout":{"inherit":"true"}} -->
<div class="wp-block-group gapless-group"><!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"bottom":"var(--wp--custom--gap--vertical)","top":"var(--wp--custom--gap--vertical)"}}},"className":"site-header","layout":{"type":"flex","justifyContent":"space-between"}} -->
<div class="wp-block-group alignwide site-header" style="padding-top:var(--wp--custom--gap--vertical);padding-bottom:var(--wp--custom--gap--vertical)"><!-- wp:group {"className":"site-brand","layout":{"type":"flex"}} -->
<div class="wp-block-group site-brand"><!-- wp:site-logo {"width":64} /-->

<!-- wp:group -->
<div class="wp-block-group"><!-- wp:site-title {"style":{"typography":{"textTransform":"uppercase"}}} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group -->

<!-- wp:navigation {"overlayMenu":"always","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal","flexWrap":"wrap"},"style":{"spacing":{"margin":{"top":"0"}}}} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group -->

<!-- wp:spacer {"height":"50px"} -->
<div style="height:50px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->