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Edit File: navigation-overlay-accent-bg.php

<?php
/**
 * Navigation: Overlay with orange background.
 *
 * @package WordPress
 */

return array(
	'title'      => _x( 'Overlay with orange background', 'Block pattern title' ),
	'blockTypes' => array( 'core/template-part/navigation-overlay' ),
	'categories' => array( 'navigation' ),
	'content'    => '
<div class="wp-block-group has-black-color has-text-color has-background has-link-color" style="background-color:#f57600;min-height:100vh;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)">
<div class="wp-block-group"></div>

<div class="wp-block-group" style="line-height:0.8">

</div>

<div style="height:10rem" aria-hidden="true" class="wp-block-spacer"></div>

</div>
',
);