themes-wordpress/cookbook/parts/header-pages.html

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<div class="wp-block-group has-secondary-color has-text-color has-link-color" style="margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--60)"><!-- wp:columns {"verticalAlignment":"center","isStackedOnMobile":false,"align":"wide","style":{"spacing":{"blockGap":{"left":"0"}}}} -->
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<div class="wp-block-column is-vertically-aligned-center" style="flex-basis:50%"><!-- wp:group {"style":{"spacing":{"blockGap":"var:preset|spacing|30"}},"layout":{"type":"flex"}} -->
<div class="wp-block-group"><!-- wp:group {"style":{"spacing":{"padding":{"top":"var:preset|spacing|20","bottom":"var:preset|spacing|20","left":"var:preset|spacing|20","right":"var:preset|spacing|20"}},"border":{"radius":"8px"}},"backgroundColor":"secondary","layout":{"type":"flex","orientation":"vertical","justifyContent":"center"}} -->
<div class="wp-block-group has-secondary-background-color has-background" style="border-radius:8px;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)"><!-- wp:site-logo {"width":24,"shouldSyncIcon":true,"style":{"color":[]}} /--></div>
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<div class="wp-block-group"><!-- wp:site-title /--></div>
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<div class="wp-block-column is-vertically-aligned-center" style="flex-basis:25%"></div>
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<div class="wp-block-column is-vertically-aligned-center" style="flex-basis:25%"><!-- wp:navigation {"icon":"menu","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /--></div>
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