themes-wordpress/screenplay/patterns/404.php

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

?>

<!-- wp:group {"style":{"spacing":{"padding":{"top":"0rem","right":"0rem","bottom":"0rem","left":"0rem"},"margin":{"top":"0px","bottom":"0px"},"blockGap":"0px"}},"layout":{"type":"constrained"}} -->
<div class="wp-block-group" style="margin-top:0px;margin-bottom:0px;padding-top:0rem;padding-right:0rem;padding-bottom:0rem;padding-left:0rem"><!-- wp:spacer {"height":"12rem","style":{"spacing":{"margin":{"top":"0px","bottom":"0px"}}}} -->
<div style="margin-top:0px;margin-bottom:0px;height:12rem" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->

<!-- wp:columns {"align":"wide","style":{"spacing":{"padding":{"top":"0px","right":"0px","bottom":"0px","left":"0px"},"margin":{"top":"0px","bottom":"0px"},"blockGap":{"top":"0px","left":"0px"}}}} -->
<div class="wp-block-columns alignwide" style="margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px"><!-- wp:column {"width":"33.33%"} -->
<div class="wp-block-column" style="flex-basis:33.33%"><!-- 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__( 'Oooooops!', 'screenplay' ); ?></h1>
<!-- /wp:heading -->

<!-- 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__( 'That page can’t be found.', 'screenplay' ); ?></h1>
<!-- /wp:heading --></div>
<!-- /wp:column -->

<!-- wp:column {"width":"66.66%"} -->
<div class="wp-block-column" style="flex-basis:66.66%"><!-- wp:paragraph -->
<p><?php echo esc_html__( 'It looks like nothing was found at this location. Maybe try a search?', 'screenplay' ); ?></p>
<!-- /wp:paragraph -->

<!-- wp:group {"style":{"spacing":{"padding":{"top":"0px","right":"0px","bottom":"0px","left":"0px"},"margin":{"top":"0px","bottom":"0px"},"blockGap":"0px"}},"layout":{"type":"constrained"}} -->
<div class="wp-block-group" style="margin-top:0px;margin-bottom:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px"><!-- wp:spacer {"height":"2rem"} -->
<div style="height:2rem" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->

<!-- wp:search {"showLabel":false,"width":50,"widthUnit":"%","buttonPosition":"button-inside","buttonUseIcon":true} /--></div>
<!-- /wp:group --></div>
<!-- /wp:column --></div>
<!-- /wp:columns -->

<!-- wp:spacer {"height":"4rem","style":{"spacing":{"margin":{"top":"0px","bottom":"0px"}}}} -->
<div style="margin-top:0px;margin-bottom:0px;height:4rem" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->