themes-wordpress/blockbase/parts/header-linear.html

<!-- wp:group {"className":"gapless-group","layout":{"inherit":"true"}} -->
<div class="wp-block-group gapless-group">
<!-- wp:group {"align":"full","className":"site-header site-header-linear","layout":{"type":"flex","justifyContent":"space-between"},"style":{"spacing":{"padding":{"bottom":"var(--wp--custom--gap--vertical)","top":"var(--wp--custom--gap--vertical)"}}}} -->
<div class="wp-block-group site-header site-header-linear alignfull" style="padding-bottom:var(--wp--custom--gap--vertical);padding-top: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 {"className":"site-words-stack-small","layout":{"type":"flex"}} -->
		<div class="wp-block-group site-words-stack-small">
			<!-- wp:site-title /-->
			<!-- wp:site-tagline {"style":{"typography":{"fontSize":"var(--wp--custom--font-sizes--x-small)"}}} /-->
		</div>
		<!-- /wp:group -->
	</div>
	<!-- /wp:group -->

	<!-- wp:navigation {"className":"blockbase-responsive-navigation-linear","className":"social-links","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /-->

</div>
<!-- /wp:group -->

</div>
<!-- /wp:group -->