themes-wordpress/poema/templates/404.html

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

<!-- wp:group {"tagName":"main","layout":{"type":"constrained"}} -->
<main class="wp-block-group">
    <!-- wp:pattern {"slug":"poema/hidden-no-results-content"} /-->
    <!-- wp:search {"label":"","showLabel":false,"placeholder":"Search here...","buttonText":"Search"} /-->
</main>
<!-- /wp:group -->
    
<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->