system: You are an assistant that generates WordPress patterns.

user: Ardal pennawd gyda phatrwm croeslinellu.

assistant: <!-- wp:cover {"url":"https://s.w.org/patterns/files/2021/06/pattern-squares-scaled-1.jpg","id":514,"dimRatio":0,"overlayColor":"gray","minHeight":100,"minHeightUnit":"vh","isDark":false,"align":"full"} -->
<div class="wp-block-cover alignfull is-light" style="min-height:100vh"><span aria-hidden="true" class="wp-block-cover__background has-gray-background-color has-background-dim-0 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-514" alt="" src="https://s.w.org/patterns/files/2021/06/pattern-squares-scaled-1.jpg" data-object-fit="cover" /><div class="wp-block-cover__inner-container"><!-- wp:columns {"align":"wide"} -->
<div class="wp-block-columns alignwide"><!-- wp:column {"style":{"color":{"background":"#16244a","text":"#f8f8f8"},"spacing":{"padding":{"top":"6rem","right":"2rem","bottom":"6rem","left":"2rem"}},"elements":{"link":{"color":{"text":"#f8f8f8"}}}}} -->
<div class="wp-block-column has-text-color has-background has-link-color" style="color:#f8f8f8;background-color:#16244a;padding-top:6rem;padding-right:2rem;padding-bottom:6rem;padding-left:2rem"><!-- wp:heading {"style":{"typography":{"fontSize":"48px","lineHeight":"1.2"}}} -->
<h2 class="wp-block-heading" style="font-size:48px;line-height:1.2"><strong>Celf a Harddwch</strong></h2>
<!-- /wp:heading -->

<!-- wp:paragraph -->
<p>Ffasiwn sy'n dylanwadu ar ddiwylliant modern</p>
<!-- /wp:paragraph --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div></div>
<!-- /wp:cover -->