Made by Tammie Lister using the following materials: Cover block.
<!-- wp:cover {"url":"redactedimageurl","id":951,"minHeight":848,"minHeightUnit":"px","customGradient":"linear-gradient(66deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%)","align":"wide","style":{"color":{"duotone":["#000000","#ffffff"]}}} -->
<div class="wp-block-cover alignwide has-background-dim has-background-gradient" style="min-height:848px"><span aria-hidden="true" class="wp-block-cover__gradient-background" style="background:linear-gradient(66deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%)"></span><img class="wp-block-cover__image-background wp-image-951" alt="" src="http://patternspiration.com/wp-content/uploads/2021/10/image-from-rawpixel-id-4021691-original-scaled.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
<p class="has-text-align-center has-large-font-size"></p>
<!-- /wp:paragraph --></div></div>
<!-- /wp:cover --></div>