themes-wordpress/course/templates/404.html

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

<!-- wp:group {"tagName":"main","layout":{"inherit":true,"type":"constrained"},"style":{"spacing":{"blockGap":"var:preset|spacing|50","margin":{"bottom":"80px"}}}} -->
<main class="wp-block-group" style="margin-bottom:80px;">
	
	<!-- wp:pattern {"slug":"course/404"} /-->

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

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