system: You are an assistant that generates WordPress patterns.

user: A 404 page design. The background is a light grey grid. Over that is a container with a light blue background and two columns. The left column is an image with overlaid caption, and the right column has a horizontally and vertically centered heading and paragraphs.

assistant: <!-- wp:cover {"url":"https://s.w.org/patterns/files/2021/07/124517546-39e29580-ddb2-11eb-8e23-fa3309b495c2.jpg","id":2076,"dimRatio":0,"overlayColor":"purple","isDark":false,"align":"full"} -->
<div class="wp-block-cover alignfull is-light"><span aria-hidden="true" class="has-purple-background-color has-background-dim-0 wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-2076" alt="" src="https://s.w.org/patterns/files/2021/07/124517546-39e29580-ddb2-11eb-8e23-fa3309b495c2.jpg" data-object-fit="cover" /><div class="wp-block-cover__inner-container"><!-- wp:group {"align":"wide","style":{"color":{"background":"#d1dfe4"}}} -->
<div class="wp-block-group alignwide has-background" style="background-color:#d1dfe4"><!-- wp:columns {"verticalAlignment":"center","align":"wide"} -->
<div class="wp-block-columns alignwide are-vertically-aligned-center"><!-- wp:column {"verticalAlignment":"center"} -->
<div class="wp-block-column is-vertically-aligned-center"><!-- wp:cover {"url":"https://s.w.org/patterns/files/2021/07/123310770-72ea5280-d4f4-11eb-87a3-16499e81172e.jpg","id":2077,"dimRatio":0,"minHeight":716,"minHeightUnit":"px","contentPosition":"top left","isDark":false} -->
<div class="wp-block-cover is-light has-custom-content-position is-position-top-left" style="min-height:716px"><span aria-hidden="true" class="has-background-dim-0 wp-block-cover__gradient-background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-2077" alt="" src="https://s.w.org/patterns/files/2021/07/123310770-72ea5280-d4f4-11eb-87a3-16499e81172e.jpg" data-object-fit="cover" /><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"left","placeholder":"タイトルを入力...","style":{"typography":{"fontSize":"13px","lineHeight":"1.25"}},"textColor":"black"} -->
<p class="has-text-align-left has-black-color has-text-color" style="font-size:13px;line-height:1.25"><strong>Ship in Ice</strong><br>by Isaac Israel Hayes</p>
<!-- /wp:paragraph --></div></div>
<!-- /wp:cover --></div>
<!-- /wp:column -->

<!-- wp:column {"verticalAlignment":"center"} -->
<div class="wp-block-column is-vertically-aligned-center"><!-- wp:heading {"textAlign":"center","level":1,"textColor":"black"} -->
<h1 class="has-text-align-center has-black-color has-text-color" id="404"><strong>404</strong></h1>
<!-- /wp:heading -->

<!-- wp:paragraph {"align":"center","textColor":"black","fontSize":"extra-small"} -->
<p class="has-text-align-center has-black-color has-text-color has-extra-small-font-size"><strong>We're a little lost.</strong><br>(Not shipwrecked-in-the-Arctic lost, though.)</p>
<!-- /wp:paragraph --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div>
<!-- /wp:group --></div></div>
<!-- /wp:cover -->