themes-wordpress/pendant/templates/404.html

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

<!-- wp:group {"tagName":"main","style":{"spacing":{"padding":{"top":"72px","bottom":"128px"}}},"layout":{"inherit":true}} -->
<main class="wp-block-group" style="padding-top:72px;padding-bottom:128px">
<!-- wp:pattern {"slug":"pendant/404"} /-->
</main>
<!-- /wp:group -->

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