themes-wordpress/stage/patterns/404.php

<?php
/**
 * Title: A 404 page
 * Slug: stage/404
 * Inserter: no
 */

?>

<!-- wp:group {"align":"full","style":{"spacing":{"padding":{"top":"1rem","bottom":"5rem","right":"2rem","left":"2rem"},"blockGap":"2rem"}},"layout":{"type":"constrained"}} -->
<div class="wp-block-group alignfull" style="padding-top:1rem;padding-right:2rem;padding-bottom:5rem;padding-left:2rem"><!-- wp:group {"align":"wide","style":{"border":{"top":{"color":"var:preset|color|base","width":"2px"},"right":[],"bottom":[],"left":[]}},"layout":{"type":"constrained"}} -->
<div class="wp-block-group alignwide" style="border-top-color:var(--wp--preset--color--base);border-top-width:2px"><!-- wp:columns {"align":"wide"} -->
<div class="wp-block-columns alignwide"><!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"spacing":{"blockGap":"0.5rem","padding":{"top":"1rem","right":"1rem","bottom":"1rem","left":"1rem"},"margin":{"top":"0px","bottom":"0px"}},"layout":{"selfStretch":"fill","flexSize":null}},"layout":{"type":"flex","orientation":"vertical","justifyContent":"stretch","verticalAlignment":"space-between","flexWrap":"wrap"}} -->
<div class="wp-block-group" style="margin-top:0px;margin-bottom:0px;padding-top:1rem;padding-right:1rem;padding-bottom:1rem;padding-left:1rem"><!-- wp:heading {"textAlign":"left","level":1,"anchor":"oops-that-page-can-t-be-found"} -->
<h1 class="wp-block-heading has-text-align-left" id="oops-that-page-can-t-be-found"><?php echo esc_html__( 'Oops...', 'stage' ); ?></h1>
<!-- /wp:heading -->

<!-- wp:heading {"level":1} -->
<h1 class="wp-block-heading"><?php echo esc_html__( '404, Sorry.', 'stage' ); ?></h1>
<!-- /wp:heading --></div>
<!-- /wp:group --></div>
<!-- /wp:column -->

<!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"spacing":{"blockGap":"","padding":{"top":"1rem","right":"1rem","bottom":"1rem","left":"1rem"},"margin":{"top":"0px","bottom":"0px"}},"layout":{"selfStretch":"fill","flexSize":null},"dimensions":{"minHeight":"100%"}},"layout":{"type":"flex","orientation":"vertical","justifyContent":"stretch","verticalAlignment":"space-between"}} -->
<div class="wp-block-group" style="min-height:100%;margin-top:0px;margin-bottom:0px;padding-top:1rem;padding-right:1rem;padding-bottom:1rem;padding-left:1rem"><!-- wp:paragraph {"style":{"spacing":{"padding":{"top":"0px","right":"0px","bottom":"0px","left":"0px"},"margin":{"top":"0px","bottom":"0px"},"blockGap":"1rem"}}} -->
<p style="margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px"><?php echo esc_html__( 'It seems like nothing was found at this location.', 'stage' ); ?><br><?php echo esc_html__( 'Maybe you should try a search?', 'stage' ); ?></p>
<!-- /wp:paragraph -->

<!-- wp:group {"style":{"typography":{"fontSize":"0.8rem","letterSpacing":"0.02rem"}},"layout":{"type":"flex","orientation":"vertical","justifyContent":"stretch","verticalAlignment":"space-between"}} -->
<div class="wp-block-group" style="font-size:0.8rem;letter-spacing:0.02rem"><!-- wp:search {"showLabel":false,"width":75,"widthUnit":"%","buttonPosition":"button-inside","buttonUseIcon":true,"style":{"border":{"width":"0px","style":"none"}}} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div>
<!-- /wp:group --></div>
<!-- /wp:group -->