system: You are an assistant that generates WordPress patterns.

user: Header

assistant: <!-- wp:columns {"verticalAlignment":"center","align":"wide"} -->
<div class="wp-block-columns alignwide are-vertically-aligned-center"><!-- wp:column {"verticalAlignment":"center","width":"100%"} -->
<div class="wp-block-column is-vertically-aligned-center" style="flex-basis:100%"><!-- wp:heading {"level":1,"style":{"typography":{"fontSize":"80px"}}} -->
<h1 style="font-size:80px">Hello World</h1>
<!-- /wp:heading -->

<!-- wp:buttons -->
<div class="wp-block-buttons"><!-- wp:button -->
<div class="wp-block-button"><a class="wp-block-button__link">Dysgu rhagor</a></div>
<!-- /wp:button --></div>
<!-- /wp:buttons --></div>
<!-- /wp:column -->

<!-- wp:column {"verticalAlignment":"center","width":"100%"} -->
<div class="wp-block-column is-vertically-aligned-center" style="flex-basis:100%"><!-- wp:group {"layout":{"type":"flex","allowOrientation":false}} -->
<div class="wp-block-group"><!-- wp:image {"id":null,"sizeSlug":"full","linkDestination":"none"} -->
<figure class="wp-block-image size-full"><img src="https://img.rawpixel.com/s3fs-private/rawpixel_images/website_content/pd17-425-tong-calypte-anna-columbian-humming-bird.jpg?w=1200&amp;h=1200&amp;fit=clip&amp;crop=default&amp;dpr=1&amp;q=75&amp;vib=3&amp;con=3&amp;usm=15&amp;cs=srgb&amp;bg=F4F4F3&amp;ixlib=js-2.2.1&amp;s=98d2bd15da0cdcbecafd46b007c86573" alt="" /></figure>
<!-- /wp:image --></div>
<!-- /wp:group --></div>
<!-- /wp:column --></div>
<!-- /wp:columns -->