themes-wordpress/kentwood/templates/404.html

<!-- wp:template-part {"slug":"header","tagName":"header"} /-->

<!-- wp:group {"tagName":"main","align":"full","style":{"spacing":{"margin":{"top":"0px","bottom":"0px"}}},"layout":{"type":"default"}} -->
<main class="wp-block-group alignfull" style="margin-top:0px;margin-bottom:0px">
	<!-- wp:group {"style":{"spacing":{"padding":{"top":"var:preset|spacing|70","bottom":"var:preset|spacing|70"}}},"layout":{"type":"constrained"}} -->
	<div class="wp-block-group" style="padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)">
		<!-- wp:group {"align":"wide","layout":{"type":"default"}} -->
		<div class="wp-block-group alignwide">
			<!-- wp:pattern {"slug":"kentwood/404"} /-->

			<!-- wp:pattern {"slug":"kentwood/search"} /-->
		</div>
		<!-- /wp:group -->
	</div>
	<!-- /wp:group -->
</main>
<!-- /wp:group -->

<!-- wp:group {"style":{"spacing":{"margin":{"top":"0px","bottom":"0px"}}},"layout":{"type":"default"}} -->
<div class="wp-block-group" style="margin-top:0px;margin-bottom:0px">
	<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->
</div>
<!-- /wp:group -->