diff --git a/backport-changelog/6.7/6943.md b/backport-changelog/6.7/6943.md
new file mode 100644
index 0000000000000..6d7f2280731f8
--- /dev/null
+++ b/backport-changelog/6.7/6943.md
@@ -0,0 +1,3 @@
+https://github.com/WordPress/wordpress-develop/pull/6943
+
+* https://github.com/WordPress/gutenberg/pull/59891
\ No newline at end of file
diff --git a/lib/compat/wordpress-6.7/kses.php b/lib/compat/wordpress-6.7/kses.php
new file mode 100644
index 0000000000000..8ac74697e0fb4
--- /dev/null
+++ b/lib/compat/wordpress-6.7/kses.php
@@ -0,0 +1,18 @@
+<?php
+/**
+ * Temporary compatibility shims for block APIs present in Gutenberg.
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Update allowed inline style attributes list.
+ *
+ * @param string[] $attrs Array of allowed CSS attributes.
+ * @return string[] CSS attributes.
+ */
+function gutenberg_safe_style_attrs_6_7( $attrs ) {
+	$attrs[] = 'opacity';
+	return $attrs;
+}
+add_filter( 'safe_style_css', 'gutenberg_safe_style_attrs_6_7' );
diff --git a/lib/load.php b/lib/load.php
index 47ce101101297..4293da659c76f 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -153,6 +153,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/compat/wordpress-6.6/post.php';
 
 // WordPress 6.7 compat.
+require __DIR__ . '/compat/wordpress-6.7/kses.php';
 require __DIR__ . '/compat/wordpress-6.7/blocks.php';
 
 // Experimental features.
diff --git a/packages/block-library/src/cover/edit/index.js b/packages/block-library/src/cover/edit/index.js
index 458f279e8748b..9e2686c12372d 100644
--- a/packages/block-library/src/cover/edit/index.js
+++ b/packages/block-library/src/cover/edit/index.js
@@ -31,7 +31,6 @@ import {
 	attributesFromMedia,
 	IMAGE_BACKGROUND_TYPE,
 	VIDEO_BACKGROUND_TYPE,
-	dimRatioToClass,
 	isContentPositionCenter,
 	getPositionClassName,
 	mediaPosition,
@@ -503,22 +502,22 @@ function CoverEdit( {
 				{ showOverlay && (
 					<span
 						aria-hidden="true"
-						className={ clsx(
-							'wp-block-cover__background',
-							dimRatioToClass( dimRatio ),
-							{
-								[ overlayColor.class ]: overlayColor.class,
-								'has-background-dim': dimRatio !== undefined,
-								// For backwards compatibility. Former versions of the Cover Block applied
-								// `.wp-block-cover__gradient-background` in the presence of
-								// media, a gradient and a dim.
-								'wp-block-cover__gradient-background':
-									url && gradientValue && dimRatio !== 0,
-								'has-background-gradient': gradientValue,
-								[ gradientClass ]: gradientClass,
-							}
-						) }
-						style={ { backgroundImage: gradientValue, ...bgStyle } }
+						className={ clsx( 'wp-block-cover__background', {
+							[ overlayColor.class ]: overlayColor.class,
+							'has-background-dim': dimRatio !== undefined,
+							// For backwards compatibility. Former versions of the Cover Block applied
+							// `.wp-block-cover__gradient-background` in the presence of
+							// media, a gradient and a dim.
+							'wp-block-cover__gradient-background':
+								url && gradientValue && dimRatio !== 0,
+							'has-background-gradient': gradientValue,
+							[ gradientClass ]: gradientClass,
+						} ) }
+						style={ {
+							opacity: dimRatio / 100,
+							backgroundImage: gradientValue,
+							...bgStyle,
+						} }
 					/>
 				) }
 
diff --git a/packages/block-library/src/cover/edit/inspector-controls.js b/packages/block-library/src/cover/edit/inspector-controls.js
index 0b05a004cd06e..aa06eb4da365a 100644
--- a/packages/block-library/src/cover/edit/inspector-controls.js
+++ b/packages/block-library/src/cover/edit/inspector-controls.js
@@ -290,7 +290,7 @@ export default function CoverInspectorControls( {
 							}
 							min={ 0 }
 							max={ 100 }
-							step={ 10 }
+							step={ 1 }
 							required
 							__next40pxDefaultSize
 						/>
diff --git a/packages/block-library/src/cover/save.js b/packages/block-library/src/cover/save.js
index f4ee486fb99a7..b4159e9369d1d 100644
--- a/packages/block-library/src/cover/save.js
+++ b/packages/block-library/src/cover/save.js
@@ -19,7 +19,6 @@ import {
 import {
 	IMAGE_BACKGROUND_TYPE,
 	VIDEO_BACKGROUND_TYPE,
-	dimRatioToClass,
 	isContentPositionCenter,
 	getPositionClassName,
 	mediaPosition,
@@ -66,6 +65,7 @@ export default function save( { attributes } ) {
 	};
 
 	const bgStyle = {
+		opacity: dimRatio / 100,
 		backgroundColor: ! overlayColorClass ? customOverlayColor : undefined,
 		background: customGradient ? customGradient : undefined,
 	};
@@ -109,7 +109,6 @@ export default function save( { attributes } ) {
 				className={ clsx(
 					'wp-block-cover__background',
 					overlayColorClass,
-					dimRatioToClass( dimRatio ),
 					{
 						'has-background-dim': dimRatio !== undefined,
 						// For backwards compatibility. Former versions of the Cover Block applied
diff --git a/packages/block-library/src/cover/test/__snapshots__/edit.native.js.snap b/packages/block-library/src/cover/test/__snapshots__/edit.native.js.snap
index 25bd83daf06ca..17a8dda40df2f 100644
--- a/packages/block-library/src/cover/test/__snapshots__/edit.native.js.snap
+++ b/packages/block-library/src/cover/test/__snapshots__/edit.native.js.snap
@@ -1,8 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`color settings clears the selected overlay color and mantains the inner blocks 1`] = `
-"<!-- wp:cover {"isUserOverlayColor":true,"isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+"<!-- wp:cover {"isDark":false} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:1"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
@@ -10,15 +10,15 @@ exports[`color settings clears the selected overlay color and mantains the inner
 
 exports[`color settings sets a color for the overlay background when the placeholder is visible 1`] = `
 "<!-- wp:cover {"overlayColor":"vivid-red"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-vivid-red-background-color has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-vivid-red-background-color has-background-dim" style="opacity:1"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
 `;
 
 exports[`color settings sets a gradient overlay background when a solid background was already selected 1`] = `
-"<!-- wp:cover {"isUserOverlayColor":true,"gradient":"light-green-cyan-to-vivid-green-cyan","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-light-green-cyan-to-vivid-green-cyan-gradient-background"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+"<!-- wp:cover {"gradient":"light-green-cyan-to-vivid-green-cyan","isDark":false} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient has-light-green-cyan-to-vivid-green-cyan-gradient-background" style="opacity:1"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
@@ -26,79 +26,79 @@ exports[`color settings sets a gradient overlay background when a solid backgrou
 
 exports[`color settings toggles between solid colors and gradients 1`] = `
 "<!-- wp:cover {"gradient":"light-green-cyan-to-vivid-green-cyan","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-light-green-cyan-to-vivid-green-cyan-gradient-background"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient has-light-green-cyan-to-vivid-green-cyan-gradient-background" style="opacity:1"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
 `;
 
 exports[`minimum height settings changes the height value between units 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":50,"minHeightUnit":"px","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:50px"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":50,"minHeightUnit":"px","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:50px"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings changes the height value to 20(vw) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":20,"minHeightUnit":"vw","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:20vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":20,"minHeightUnit":"vw","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:20vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings disables the decrease button when reaching the minimum value for Pixels (px) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":50,"minHeightUnit":"px","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:50px"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":50,"minHeightUnit":"px","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:50px"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings disables the decrease button when reaching the minimum value for Relative to parent font size (em) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":1,"minHeightUnit":"em","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:1em"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":1,"minHeightUnit":"em","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:1em"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings disables the decrease button when reaching the minimum value for Relative to root font size (rem) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":1,"minHeightUnit":"rem","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:1rem"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":1,"minHeightUnit":"rem","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:1rem"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings disables the decrease button when reaching the minimum value for Viewport height (vh) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":1,"minHeightUnit":"vh","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:1vh"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":1,"minHeightUnit":"vh","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:1vh"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`minimum height settings disables the decrease button when reaching the minimum value for Viewport width (vw) 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isUserOverlayColor":true,"minHeight":1,"minHeightUnit":"vw","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:1vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":1,"minHeightUnit":"vw","isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:1vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`when an image is attached updates background opacity 1`] = `
-"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":15,"overlayColor":"foreground","isUserOverlayColor":true,"isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim-20 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+"<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":15,"overlayColor":"foreground","isDark":false} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.15"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->"
 `;
 
 exports[`when no media is attached and overlay color is set adds image 1`] = `
-"<!-- wp:cover {"url":"https://test.files.wordpress.com/local-image-1.mp4","id":2000,"dimRatio":50,"overlayColor":"cyan-bluish-gray","isUserOverlayColor":true} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-cyan-bluish-gray-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-2000" src="https://test.files.wordpress.com/local-image-1.mp4" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+"<!-- wp:cover {"url":"https://test.files.wordpress.com/local-image-1.mp4","id":2000,"dimRatio":50,"overlayColor":"cyan-bluish-gray"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-cyan-bluish-gray-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-2000" src="https://test.files.wordpress.com/local-image-1.mp4" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
diff --git a/packages/block-library/src/cover/test/__snapshots__/transforms.native.js.snap b/packages/block-library/src/cover/test/__snapshots__/transforms.native.js.snap
index 1995da7a75876..351c94a36a8ce 100644
--- a/packages/block-library/src/cover/test/__snapshots__/transforms.native.js.snap
+++ b/packages/block-library/src/cover/test/__snapshots__/transforms.native.js.snap
@@ -3,8 +3,8 @@
 exports[`Cover block transformations with Image to Columns block 1`] = `
 "<!-- wp:columns -->
 <div class="wp-block-columns"><!-- wp:column {"width":"100%"} -->
-<div class="wp-block-column" style="flex-basis:100%"><!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","isUserOverlayColor":true,"focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
-<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-column" style="flex-basis:100%"><!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
+<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity:0.2"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover --></div>
@@ -14,8 +14,8 @@ exports[`Cover block transformations with Image to Columns block 1`] = `
 
 exports[`Cover block transformations with Image to Group block 1`] = `
 "<!-- wp:group {"layout":{"type":"constrained"}} -->
-<div class="wp-block-group"><!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","isUserOverlayColor":true,"focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
-<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-group"><!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
+<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity:0.2"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover --></div>
@@ -39,8 +39,8 @@ exports[`Cover block transformations with Image to Media & Text block 1`] = `
 exports[`Cover block transformations with Video to Columns block 1`] = `
 "<!-- wp:columns -->
 <div class="wp-block-columns"><!-- wp:column {"width":"100%"} -->
-<div class="wp-block-column" style="flex-basis:100%"><!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":891,"dimRatio":20,"overlayColor":"luminous-vivid-orange","isUserOverlayColor":true,"backgroundType":"video","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219,"isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-column" style="flex-basis:100%"><!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":891,"dimRatio":20,"overlayColor":"luminous-vivid-orange","backgroundType":"video","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219,"isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity:0.2"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover --></div>
@@ -50,8 +50,8 @@ exports[`Cover block transformations with Video to Columns block 1`] = `
 
 exports[`Cover block transformations with Video to Group block 1`] = `
 "<!-- wp:group {"layout":{"type":"constrained"}} -->
-<div class="wp-block-group"><!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":891,"dimRatio":20,"overlayColor":"luminous-vivid-orange","isUserOverlayColor":true,"backgroundType":"video","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219,"isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-group"><!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":891,"dimRatio":20,"overlayColor":"luminous-vivid-orange","backgroundType":"video","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219,"isDark":false} -->
+<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity:0.2"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover --></div>
diff --git a/packages/block-library/src/cover/test/edit.js b/packages/block-library/src/cover/test/edit.js
index ab99d3c555e3b..cfab118556c08 100644
--- a/packages/block-library/src/cover/test/edit.js
+++ b/packages/block-library/src/cover/test/edit.js
@@ -277,7 +277,7 @@ describe( 'Cover block', () => {
 					'wp-block-cover__background'
 				);
 
-				expect( overlay[ 0 ] ).toHaveClass( 'has-background-dim-100' );
+				expect( overlay[ 0 ] ).toHaveStyle( 'opacity: 1;' );
 
 				await userEvent.click(
 					screen.getByRole( 'tab', {
@@ -297,7 +297,7 @@ describe( 'Cover block', () => {
 					);
 				} );
 
-				expect( overlay[ 0 ] ).toHaveClass( 'has-background-dim-40' );
+				expect( overlay[ 0 ] ).toHaveStyle( 'opacity: 0.4;' );
 			} );
 
 			test( 'applies selected opacity to block when slider moved', async () => {
@@ -310,7 +310,7 @@ describe( 'Cover block', () => {
 					'wp-block-cover__background'
 				);
 
-				expect( overlay[ 0 ] ).toHaveClass( 'has-background-dim-100' );
+				expect( overlay[ 0 ] ).toHaveStyle( 'opacity: 1;' );
 
 				await userEvent.click(
 					screen.getByRole( 'tab', {
@@ -329,7 +329,7 @@ describe( 'Cover block', () => {
 					);
 				} );
 
-				expect( overlay[ 0 ] ).toHaveClass( 'has-background-dim-30' );
+				expect( overlay[ 0 ] ).toHaveStyle( 'opacity: 0.3;' );
 			} );
 
 			describe( 'when colors are disabled', () => {
diff --git a/packages/block-library/src/cover/test/edit.native.js b/packages/block-library/src/cover/test/edit.native.js
index 6925cfe3f6221..44cfe246ae0c4 100644
--- a/packages/block-library/src/cover/test/edit.native.js
+++ b/packages/block-library/src/cover/test/edit.native.js
@@ -46,20 +46,20 @@ jest.mock( '@wordpress/compose', () => ( {
 } ) );
 
 const COVER_BLOCK_PLACEHOLDER_HTML = `<!-- wp:cover {"isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"></div></div>
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 1;"></span><div class="wp-block-cover__inner-container"></div></div>
 <!-- /wp:cover -->`;
 const COVER_BLOCK_SOLID_COLOR_HTML = `<!-- wp:cover {"overlayColor":"cyan-bluish-gray","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-cyan-bluish-gray-background-color has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-cyan-bluish-gray-background-color has-background-dim" style="opacity: 1;"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…"} -->
 <p class="has-text-align-center"></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->`;
 const COVER_BLOCK_IMAGE_HTML = `<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->`;
 const COVER_BLOCK_CUSTOM_HEIGHT_HTML = `<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":10710,"dimRatio":50,"overlayColor":"foreground","minHeight":20,"minHeightUnit":"vw","isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:20vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light" style="min-height:20vw"><span aria-hidden="true" class="wp-block-cover__background has-foreground-background-color has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-10710" alt="" src="https://cldup.com/cXyG__fTLN.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 -->`;
diff --git a/packages/block-library/src/cover/test/transforms.native.js b/packages/block-library/src/cover/test/transforms.native.js
index ad3a951a7e9f6..69adc472f568f 100644
--- a/packages/block-library/src/cover/test/transforms.native.js
+++ b/packages/block-library/src/cover/test/transforms.native.js
@@ -12,13 +12,13 @@ import {
 const block = 'Cover';
 const initialHtmlWithImage = `
 <!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
-<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity: 0.2;"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->`;
 const initialHtmlWithVideo = `
 <!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":891,"dimRatio":20,"overlayColor":"luminous-vivid-orange","backgroundType":"video","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219,"isDark":false} -->
-<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-cover is-light" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity: 0.2;"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->`;
diff --git a/packages/block-library/src/image/test/__snapshots__/transforms.native.js.snap b/packages/block-library/src/image/test/__snapshots__/transforms.native.js.snap
index 56a5fe3c25912..8bb02f16128cb 100644
--- a/packages/block-library/src/image/test/__snapshots__/transforms.native.js.snap
+++ b/packages/block-library/src/image/test/__snapshots__/transforms.native.js.snap
@@ -12,7 +12,7 @@ exports[`Image block transformations to Columns block 1`] = `
 
 exports[`Image block transformations to Cover block 1`] = `
 "<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":1,"dimRatio":50,"style":{"color":{}}} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-1" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-1" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","fontSize":"large"} -->
 <p class="has-text-align-center has-large-font-size">Mountain</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
diff --git a/packages/block-library/src/media-text/test/__snapshots__/transforms.native.js.snap b/packages/block-library/src/media-text/test/__snapshots__/transforms.native.js.snap
index 07e18768ec9c2..4cce8b3e23813 100644
--- a/packages/block-library/src/media-text/test/__snapshots__/transforms.native.js.snap
+++ b/packages/block-library/src/media-text/test/__snapshots__/transforms.native.js.snap
@@ -14,7 +14,7 @@ exports[`Media & Text block transformations with Image to Columns block 1`] = `
 
 exports[`Media & Text block transformations with Image to Cover block 1`] = `
 "<!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":4674,"dimRatio":50,"align":"wide"} -->
-<div class="wp-block-cover alignwide"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-4674" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"className":"has-large-font-size"} -->
+<div class="wp-block-cover alignwide"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-4674" alt="" src="https://cldup.com/cXyG__fTLN.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"className":"has-large-font-size"} -->
 <p class="has-large-font-size">Mountain</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
@@ -50,7 +50,7 @@ exports[`Media & Text block transformations with Video to Columns block 1`] = `
 
 exports[`Media & Text block transformations with Video to Cover block 1`] = `
 "<!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","id":4675,"dimRatio":50,"backgroundType":"video","align":"wide"} -->
-<div class="wp-block-cover alignwide"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"className":"has-large-font-size"} -->
+<div class="wp-block-cover alignwide"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"className":"has-large-font-size"} -->
 <p class="has-large-font-size">Cloudup</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
diff --git a/packages/block-library/src/video/test/__snapshots__/transforms.native.js.snap b/packages/block-library/src/video/test/__snapshots__/transforms.native.js.snap
index c0ea73eadc475..8d2483797cc0f 100644
--- a/packages/block-library/src/video/test/__snapshots__/transforms.native.js.snap
+++ b/packages/block-library/src/video/test/__snapshots__/transforms.native.js.snap
@@ -12,7 +12,7 @@ exports[`Video block transforms to Columns block 1`] = `
 
 exports[`Video block transforms to Cover block 1`] = `
 "<!-- wp:cover {"url":"https://i.cloudup.com/YtZFJbuQCE.mov","dimRatio":50,"backgroundType":"video"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="https://i.cloudup.com/YtZFJbuQCE.mov" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","fontSize":"large"} -->
 <p class="has-text-align-center has-large-font-size">Cloudup video</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->"
diff --git a/packages/react-native-editor/src/initial-html.js b/packages/react-native-editor/src/initial-html.js
index 684ca0dfbf8de..7739ca28dbede 100644
--- a/packages/react-native-editor/src/initial-html.js
+++ b/packages/react-native-editor/src/initial-html.js
@@ -151,7 +151,7 @@ export const mediaBlocks = `<!-- wp:image -->
 <!-- /wp:media-text -->
 
 <!-- wp:cover {"url":"https://cldup.com/cXyG__fTLN.jpg","id":890,"dimRatio":20,"overlayColor":"luminous-vivid-orange","focalPoint":{"x":"0.63","y":"0.83"},"minHeight":219} -->
-<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim-20 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
+<div class="wp-block-cover" style="min-height:219px"><span aria-hidden="true" class="wp-block-cover__background has-luminous-vivid-orange-background-color has-background-dim" style="opacity: 0.2;"></span><img class="wp-block-cover__image-background wp-image-890" alt="" src="https://cldup.com/cXyG__fTLN.jpg" style="object-position:63% 83%" data-object-fit="cover" data-object-position="63% 83%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","className":"has-text-color has-very-light-gray-color","fontSize":"large"} -->
 <p class="has-text-align-center has-text-color has-very-light-gray-color has-large-font-size">Cool cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover.html b/test/integration/fixtures/blocks/core__cover.html
index 5c69931dd2269..18583c00a6d6e 100644
--- a/test/integration/fixtures/blocks/core__cover.html
+++ b/test/integration/fixtures/blocks/core__cover.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
 <div class="wp-block-cover">
-    <span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span>
+    <span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 0.4;"></span>
     <img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover" />
     <div class="wp-block-cover__inner-container">
 		<!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
diff --git a/test/integration/fixtures/blocks/core__cover.parsed.json b/test/integration/fixtures/blocks/core__cover.parsed.json
index 4df6d84c29cef..bfe6166578741 100644
--- a/test/integration/fixtures/blocks/core__cover.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\" />\n    <div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.4;\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\" />\n    <div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\" />\n    <div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.4;\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\" />\n    <div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover.serialized.html b/test/integration/fixtures/blocks/core__cover.serialized.html
index b7eeb8cf4b85d..5e0d5b43087e3 100644
--- a/test/integration/fixtures/blocks/core__cover.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.4"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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">
 			Guten Berg!
 		</p>
diff --git a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.html b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.html
index 7c8aaa5a7ccbc..386c7b4a2b387 100644
--- a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.html
+++ b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"https://w.wiki/59So","id":612,"alt":"Custom alt text","hasParallax":true,"dimRatio":50,"isDark":false,"layout":{"type":"constrained"}} -->
-<div class="wp-block-cover is-light has-parallax"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><div role="img" aria-label="Custom alt text" class="wp-block-cover__image-background wp-image-612 has-parallax" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-parallax"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 0.5;"></span><div role="img" aria-label="Custom alt text" class="wp-block-cover__image-background wp-image-612 has-parallax" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><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 -->
\ No newline at end of file
diff --git a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.parsed.json b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.parsed.json
index 9de6f5b24fe0d..78bc653dd39a2 100644
--- a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.parsed.json
@@ -27,9 +27,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover is-light has-parallax\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"></span><div role=\"img\" aria-label=\"Custom alt text\" class=\"wp-block-cover__image-background wp-image-612 has-parallax\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\"></div></div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover is-light has-parallax\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.5;\"></span><div role=\"img\" aria-label=\"Custom alt text\" class=\"wp-block-cover__image-background wp-image-612 has-parallax\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\"></div></div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover is-light has-parallax\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"></span><div role=\"img\" aria-label=\"Custom alt text\" class=\"wp-block-cover__image-background wp-image-612 has-parallax\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\">",
+			"\n<div class=\"wp-block-cover is-light has-parallax\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.5;\"></span><div role=\"img\" aria-label=\"Custom alt text\" class=\"wp-block-cover__image-background wp-image-612 has-parallax\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\">",
 			null,
 			"</div></div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.serialized.html b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.serialized.html
index 438eba81614c4..28d1831609ecb 100644
--- a/test/integration/fixtures/blocks/core__cover__alt-fixed-background.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__alt-fixed-background.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"https://w.wiki/59So","id":612,"alt":"Custom alt text","hasParallax":true,"dimRatio":50,"isDark":false,"layout":{"type":"constrained"}} -->
-<div class="wp-block-cover is-light has-parallax"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><div role="img" aria-label="Custom alt text" class="wp-block-cover__image-background wp-image-612 has-parallax" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-parallax"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><div role="img" aria-label="Custom alt text" class="wp-block-cover__image-background wp-image-612 has-parallax" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-1.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-1.serialized.html
index 0a535e66bff5b..3019fb19c54ca 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-1.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-1.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":34,"dimRatio":50} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" 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"><strong>Cover Image</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-10.json b/test/integration/fixtures/blocks/core__cover__deprecated-10.json
index 6286a4b12eb92..ce3dc9eb1d553 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-10.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-10.json
@@ -4,7 +4,6 @@
 		"isValid": true,
 		"attributes": {
 			"url": "https://w.wiki/59Sd",
-			"useFeaturedImage": false,
 			"id": 609,
 			"alt": "",
 			"hasParallax": false,
@@ -12,6 +11,7 @@
 			"dimRatio": 50,
 			"backgroundType": "image",
 			"isDark": true,
+			"useFeaturedImage": false,
 			"tagName": "div"
 		},
 		"innerBlocks": [
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-10.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-10.serialized.html
index d48a8b8e98394..aca07074f683a 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-10.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-10.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"https://w.wiki/59Sd","id":609,"dimRatio":50} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-609" alt="" src="https://w.wiki/59Sd" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-609" alt="" src="https://w.wiki/59Sd" 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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-12.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-12.serialized.html
index d51734e18a541..ff8f89a94c17b 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-12.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-12.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"useFeaturedImage":true,"dimRatio":50,"customOverlayColor":"#3615d9","isUserOverlayColor":true,"layout":{"type":"constrained"}} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="background-color:#3615d9"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5;background-color:#3615d9"></span><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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-2.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-2.serialized.html
index 361eb663bf1f6..3b2761c454bf0 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-2.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-2.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":34,"dimRatio":50} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" 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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-3.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-3.serialized.html
index c1cd5a78fbee5..e88d0ba18db91 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-3.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-3.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":35,"dimRatio":50} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-35" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-35" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" 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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-4.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-4.serialized.html
index be37f15331a56..17e1b7b6ae1a2 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-4.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-4.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":35,"dimRatio":50,"focalPoint":{"x":"0.07","y":"0.07"}} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-35" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" style="object-position:7% 7%" data-object-fit="cover" data-object-position="7% 7%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-35" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" style="object-position:7% 7%" data-object-fit="cover" data-object-position="7% 7%"/><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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-5.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-5.serialized.html
index 2d9a20ba12791..fcbf6beba0b0e 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-5.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-5.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":50,"gradient":"midnight"} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient has-midnight-gradient-background"></span><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient has-midnight-gradient-background" style="opacity:0.5"></span><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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">Cover</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
index 657c10cc92896..005ae9a74fbfb 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.4"></span><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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">
 			Guten Berg!
 		</p>
@@ -7,13 +7,13 @@
 <!-- /wp:cover -->
 
 <!-- wp:cover {"url":"https://example.com/some-background-image.png","id":1933,"dimRatio":0,"focalPoint":{"x":"0.50","y":"0.40"},"minHeight":48,"minHeightUnit":"vw","align":"full"} -->
-<div class="wp-block-cover alignfull is-light" style="min-height:48vw"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-0 has-background-dim"></span><img class="wp-block-cover__image-background wp-image-1933" src="https://example.com/some-background-image.png" style="object-position:50% 40%" data-object-fit="cover" data-object-position="50% 40%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph -->
+<div class="wp-block-cover alignfull is-light" style="min-height:48vw"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0"></span><img class="wp-block-cover__image-background wp-image-1933" src="https://example.com/some-background-image.png" style="object-position:50% 40%" data-object-fit="cover" data-object-position="50% 40%"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph -->
 <p></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
 
 <!-- wp:cover {"url":"http://localhost:8888/wp-content/uploads/2021/02/percy.jpg","id":134,"dimRatio":50,"contentPosition":"bottom right"} -->
-<div class="wp-block-cover is-light has-custom-content-position is-position-bottom-right"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background wp-image-134" alt="" src="http://localhost:8888/wp-content/uploads/2021/02/percy.jpg" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-custom-content-position is-position-bottom-right"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.5"></span><img class="wp-block-cover__image-background wp-image-134" alt="" src="http://localhost:8888/wp-content/uploads/2021/02/percy.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">test</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
index baa8e32e7e823..7c21e42b7b1c5 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.4"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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">
 			Guten Berg!
 		</p>
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-8.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-8.serialized.html
index fd99791a8e524..cf16f22030cdf 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-8.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-8.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":40} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.4"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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">
                 Guten Berg!
         </p>
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-9.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-9.serialized.html
index 8b47c4651e882..509748a9c0507 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-9.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-9.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"overlayColor":"primary","minHeightUnit":"%"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim" style="opacity:1"></span><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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.html b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.html
index 8c77b25cf33fc..b15eea3c39175 100644
--- a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.html
+++ b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"https://w.wiki/59So","id":612,"hasParallax":true,"isRepeated":true,"dimRatio":10,"isDark":false,"style":{"color":{"duotone":["#8c00b7","#fcff41"]}}} -->
-<div class="wp-block-cover is-light has-parallax is-repeated"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim"></span><div class="wp-block-cover__image-background wp-image-612 has-parallax is-repeated" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-parallax is-repeated"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 0.1;"></span><div class="wp-block-cover__image-background wp-image-612 has-parallax is-repeated" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><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 -->
\ No newline at end of file
diff --git a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.parsed.json b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.parsed.json
index 22ae61f6258ef..30435a030dc39 100644
--- a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.parsed.json
@@ -29,9 +29,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover is-light has-parallax is-repeated\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\"></span><div class=\"wp-block-cover__image-background wp-image-612 has-parallax is-repeated\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\"></div></div>\n    ",
+		"innerHTML": "\n<div class=\"wp-block-cover is-light has-parallax is-repeated\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.1;\"></span><div class=\"wp-block-cover__image-background wp-image-612 has-parallax is-repeated\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\"></div></div>\n    ",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover is-light has-parallax is-repeated\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\"></span><div class=\"wp-block-cover__image-background wp-image-612 has-parallax is-repeated\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\">",
+			"\n<div class=\"wp-block-cover is-light has-parallax is-repeated\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.1;\"></span><div class=\"wp-block-cover__image-background wp-image-612 has-parallax is-repeated\" style=\"background-position:50% 50%;background-image:url(https://w.wiki/59So)\"></div><div class=\"wp-block-cover__inner-container\">",
 			null,
 			"</div></div>\n    "
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.serialized.html b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.serialized.html
index e52c3e993dd10..c39c6561f3e49 100644
--- a/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__duotone-fixed-background.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"https://w.wiki/59So","id":612,"hasParallax":true,"isRepeated":true,"dimRatio":10,"isDark":false,"style":{"color":{"duotone":["#8c00b7","#fcff41"]}}} -->
-<div class="wp-block-cover is-light has-parallax is-repeated"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim"></span><div class="wp-block-cover__image-background wp-image-612 has-parallax is-repeated" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light has-parallax is-repeated"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.1"></span><div class="wp-block-cover__image-background wp-image-612 has-parallax is-repeated" style="background-position:50% 50%;background-image:url(https://w.wiki/59So)"></div><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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-custom.html b/test/integration/fixtures/blocks/core__cover__gradient-custom.html
index fd0a851735785..25e5465fee43d 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-custom.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-custom.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"customGradient":"linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"} -->
 <div class="wp-block-cover">
-	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient" style="background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"></span>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient" style="opacity: 1;background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"></span>
 	<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">Cover!</p>
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-custom.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient-custom.parsed.json
index 53f6fc55fb277..fce16206a4d22 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-custom.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient-custom.parsed.json
@@ -19,9 +19,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient\" style=\"background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim has-background-gradient\" style=\"opacity: 1;background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient\" style=\"background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim has-background-gradient\" style=\"opacity: 1;background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-custom.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient-custom.serialized.html
index a6ea10215b7a1..8d11aed1c5cfc 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-custom.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-custom.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"customGradient":"linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient" style="background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient" style="opacity:1;background:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%)"></span><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">Cover!</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-image.html b/test/integration/fixtures/blocks/core__cover__gradient-image.html
index dba861ef5bf3f..3a68df3cb60a3 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-image.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-image.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":30,"customGradient":"linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)"} -->
 <div class="wp-block-cover">
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+    <span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient" style="opacity: 0.3;background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)"></span>
     <img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/>
 	<div class="wp-block-cover__inner-container">
 		<!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-image.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient-image.parsed.json
index e5e97653e2745..bdbca5942a0dd 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-image.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient-image.parsed.json
@@ -21,9 +21,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-30 has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\"/>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"opacity: 0.3;background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\"/>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-30 has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\"/>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"opacity: 0.3;background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)\"></span>\n    <img class=\"wp-block-cover__image-background\" alt=\"\" src=\"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=\" data-object-fit=\"cover\"/>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-image.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient-image.serialized.html
index 135949383f712..d1f4282a1443e 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-image.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-image.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","dimRatio":30,"customGradient":"linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)"} -->
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+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient" style="opacity:0.3;background:linear-gradient(135deg,rgba(0,208,132,1) 0%,rgba(6,147,227,1) 100%)"></span><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" 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"> Cover! </p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-video.html b/test/integration/fixtures/blocks/core__cover__gradient-video.html
index 1081afe2518b3..f2110ce86c6b5 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-video.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-video.html
@@ -1,6 +1,6 @@
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 <div class="wp-block-cover">
-	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-70 has-background-dim wp-block-cover__gradient-background has-background-gradient" style="background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)"></span>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient" style="opacity: 0.7;background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)"></span>
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 	<div class="wp-block-cover__inner-container">
 		<!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-video.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient-video.parsed.json
index 8ad72c9c549b2..53367075333d1 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-video.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient-video.parsed.json
@@ -22,9 +22,9 @@
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 			}
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+		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"opacity: 0.7;background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,AAAAHGZ0eXBpc29tAAACAGlzb21pc28ybXA0MQAAAAhmcmVlAAAC721kYXQhEAUgpBv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA3pwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcCEQBSCkG//AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADengAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAsJtb292AAAAbG12aGQAAAAAAAAAAAAAAAAAAAPoAAAALwABAAABAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAB7HRyYWsAAABcdGtoZAAAAAMAAAAAAAAAAAAAAAIAAAAAAAAALwAAAAAAAAAAAAAAAQEAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAAC8AAAAAAAEAAAAAAWRtZGlhAAAAIG1kaGQAAAAAAAAAAAAAAAAAAKxEAAAIAFXEAAAAAAAtaGRscgAAAAAAAAAAc291bgAAAAAAAAAAAAAAAFNvdW5kSGFuZGxlcgAAAAEPbWluZgAAABBzbWhkAAAAAAAAAAAAAAAkZGluZgAAABxkcmVmAAAAAAAAAAEAAAAMdXJsIAAAAAEAAADTc3RibAAAAGdzdHNkAAAAAAAAAAEAAABXbXA0YQAAAAAAAAABAAAAAAAAAAAAAgAQAAAAAKxEAAAAAAAzZXNkcwAAAAADgICAIgACAASAgIAUQBUAAAAAAfQAAAHz+QWAgIACEhAGgICAAQIAAAAYc3R0cwAAAAAAAAABAAAAAgAABAAAAAAcc3RzYwAAAAAAAAABAAAAAQAAAAIAAAABAAAAHHN0c3oAAAAAAAAAAAAAAAIAAAFzAAABdAAAABRzdGNvAAAAAAAAAAEAAAAsAAAAYnVkdGEAAABabWV0YQAAAAAAAAAhaGRscgAAAAAAAAAAbWRpcmFwcGwAAAAAAAAAAAAAAAAtaWxzdAAAACWpdG9vAAAAHWRhdGEAAAABAAAAAExhdmY1Ni40MC4xMDE=\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
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+			"\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient\" style=\"opacity: 0.7;background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,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\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__gradient-video.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient-video.serialized.html
index 417d8666481dc..01dd70f6528cf 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-video.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-video.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":70,"backgroundType":"video","customGradient":"linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-70 has-background-dim wp-block-cover__gradient-background has-background-gradient" style="background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim wp-block-cover__gradient-background has-background-gradient" style="opacity:0.7;background:linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%)"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video><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">Cover!</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient.html b/test/integration/fixtures/blocks/core__cover__gradient.html
index 7b20b808c461c..a7be1bcd4dc23 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"gradient":"luminous-dusk","isDark":false} -->
 <div class="wp-block-cover is-light">
-    <span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-luminous-dusk-gradient-background"></span>
+    <span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient has-luminous-dusk-gradient-background" style="opacity: 1;"></span>
 	<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">Cover!</p>
diff --git a/test/integration/fixtures/blocks/core__cover__gradient.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient.parsed.json
index d6f084f048d85..7be38bf29141f 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-luminous-dusk-gradient-background\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim has-background-gradient has-luminous-dusk-gradient-background\" style=\"opacity: 1;\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-luminous-dusk-gradient-background\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim has-background-gradient has-luminous-dusk-gradient-background\" style=\"opacity: 1;\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__gradient.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient.serialized.html
index 12f535f03d091..434a1d495fccb 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient.serialized.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"gradient":"luminous-dusk","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-luminous-dusk-gradient-background"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim has-background-gradient has-luminous-dusk-gradient-background" style="opacity:1"></span><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">Cover!</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.html b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.html
index 31d1d985c69d5..a9a9e535b8943 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"gradient":"electric-grass","isDark":false} -->
 <div class="wp-block-cover is-light">
-    <span aria-hidden="true" class="has-background-dim-100 wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background"></span>
+    <span aria-hidden="true" class="wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background" style="opacity: 1;"></span>
     <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">Cover!</p>
diff --git a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.json b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.json
index e4db2a2ece377..83848f858c1cd 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.json
@@ -1,8 +1,9 @@
 [
 	{
 		"name": "core/cover",
-		"isValid": true,
+		"isValid": false,
 		"attributes": {
+			"useFeaturedImage": false,
 			"alt": "",
 			"hasParallax": false,
 			"isRepeated": false,
diff --git a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.parsed.json
index aeb31aad9fa79..982864f11c4ad 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-100 wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background\"></span>\n    <div class=\"wp-block-cover__inner-container\">\n        \n    </div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background\" style=\"opacity: 1;\"></span>\n    <div class=\"wp-block-cover__inner-container\">\n        \n    </div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-100 wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background\"></span>\n    <div class=\"wp-block-cover__inner-container\">\n        ",
+			"\n<div class=\"wp-block-cover is-light\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background\" style=\"opacity: 1;\"></span>\n    <div class=\"wp-block-cover__inner-container\">\n        ",
 			null,
 			"\n    </div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.serialized.html
index 9dbf400bcff0d..36e8749285247 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.serialized.html
@@ -1,5 +1,11 @@
 <!-- wp:cover {"gradient":"electric-grass","isDark":false} -->
-<div class="wp-block-cover is-light"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-100 has-background-dim has-background-gradient has-electric-grass-gradient-background"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<div class="wp-block-cover is-light">
+    <span aria-hidden="true" class="wp-block-cover__gradient-background has-electric-grass-gradient-background has-background-dim has-background-gradient has-electric-grass-gradient-background" style="opacity: 1;"></span>
+    <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">Cover!</p>
-<!-- /wp:paragraph --></div></div>
+<!-- /wp:paragraph -->
+    </div>
+</div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__solid-color.html b/test/integration/fixtures/blocks/core__cover__solid-color.html
index 2b280936af63b..079695d699869 100644
--- a/test/integration/fixtures/blocks/core__cover__solid-color.html
+++ b/test/integration/fixtures/blocks/core__cover__solid-color.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"overlayColor":"primary"} -->
 <div class="wp-block-cover">
-    <span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim-100 has-background-dim"></span>
+    <span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim" style="opacity: 1;"></span>
 	<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>
diff --git a/test/integration/fixtures/blocks/core__cover__solid-color.json b/test/integration/fixtures/blocks/core__cover__solid-color.json
index 4d06b3e616e16..8ddbe7fdbdc7e 100644
--- a/test/integration/fixtures/blocks/core__cover__solid-color.json
+++ b/test/integration/fixtures/blocks/core__cover__solid-color.json
@@ -3,6 +3,7 @@
 		"name": "core/cover",
 		"isValid": true,
 		"attributes": {
+			"useFeaturedImage": false,
 			"alt": "",
 			"hasParallax": false,
 			"isRepeated": false,
@@ -10,9 +11,7 @@
 			"overlayColor": "primary",
 			"backgroundType": "image",
 			"isDark": true,
-			"useFeaturedImage": false,
-			"tagName": "div",
-			"isUserOverlayColor": true
+			"tagName": "div"
 		},
 		"innerBlocks": [
 			{
diff --git a/test/integration/fixtures/blocks/core__cover__solid-color.parsed.json b/test/integration/fixtures/blocks/core__cover__solid-color.parsed.json
index 98e28467d1ab5..18dac2ebc55a2 100644
--- a/test/integration/fixtures/blocks/core__cover__solid-color.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__solid-color.parsed.json
@@ -19,9 +19,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-primary-background-color has-background-dim-100 has-background-dim\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-primary-background-color has-background-dim\" style=\"opacity: 1;\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-primary-background-color has-background-dim-100 has-background-dim\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"wp-block-cover__background has-primary-background-color has-background-dim\" style=\"opacity: 1;\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__solid-color.serialized.html b/test/integration/fixtures/blocks/core__cover__solid-color.serialized.html
index 333fb817b7283..01afb28056f6f 100644
--- a/test/integration/fixtures/blocks/core__cover__solid-color.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__solid-color.serialized.html
@@ -1,5 +1,5 @@
-<!-- wp:cover {"overlayColor":"primary","isUserOverlayColor":true} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim-100 has-background-dim"></span><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<!-- wp:cover {"overlayColor":"primary"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-primary-background-color has-background-dim" style="opacity:1"></span><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 -->
diff --git a/test/integration/fixtures/blocks/core__cover__video-overlay.html b/test/integration/fixtures/blocks/core__cover__video-overlay.html
index 3d78269821c15..fa6f0dea707c4 100644
--- a/test/integration/fixtures/blocks/core__cover__video-overlay.html
+++ b/test/integration/fixtures/blocks/core__cover__video-overlay.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":10,"customOverlayColor":"#3615d9","backgroundType":"video"} -->
 <div class="wp-block-cover">
-	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim" style="background-color:#3615d9"></span>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 0.1;background-color:#3615d9"></span>
 	<video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video>
 	<div class="wp-block-cover__inner-container">
 		<!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
diff --git a/test/integration/fixtures/blocks/core__cover__video-overlay.json b/test/integration/fixtures/blocks/core__cover__video-overlay.json
index 7916e3f7a20b6..7adcdedd68754 100644
--- a/test/integration/fixtures/blocks/core__cover__video-overlay.json
+++ b/test/integration/fixtures/blocks/core__cover__video-overlay.json
@@ -4,6 +4,7 @@
 		"isValid": true,
 		"attributes": {
 			"url": "data:video/mp4;base64,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",
+			"useFeaturedImage": false,
 			"alt": "",
 			"hasParallax": false,
 			"isRepeated": false,
@@ -11,9 +12,7 @@
 			"customOverlayColor": "#3615d9",
 			"backgroundType": "video",
 			"isDark": true,
-			"useFeaturedImage": false,
-			"tagName": "div",
-			"isUserOverlayColor": true
+			"tagName": "div"
 		},
 		"innerBlocks": [
 			{
diff --git a/test/integration/fixtures/blocks/core__cover__video-overlay.parsed.json b/test/integration/fixtures/blocks/core__cover__video-overlay.parsed.json
index c766000af5672..ddb6134422b90 100644
--- a/test/integration/fixtures/blocks/core__cover__video-overlay.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__video-overlay.parsed.json
@@ -22,9 +22,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,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\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.1;background-color:#3615d9\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,AAAAHGZ0eXBpc29tAAACAGlzb21pc28ybXA0MQAAAAhmcmVlAAAC721kYXQhEAUgpBv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA3pwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcCEQBSCkG//AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADengAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAsJtb292AAAAbG12aGQAAAAAAAAAAAAAAAAAAAPoAAAALwABAAABAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAB7HRyYWsAAABcdGtoZAAAAAMAAAAAAAAAAAAAAAIAAAAAAAAALwAAAAAAAAAAAAAAAQEAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAAC8AAAAAAAEAAAAAAWRtZGlhAAAAIG1kaGQAAAAAAAAAAAAAAAAAAKxEAAAIAFXEAAAAAAAtaGRscgAAAAAAAAAAc291bgAAAAAAAAAAAAAAAFNvdW5kSGFuZGxlcgAAAAEPbWluZgAAABBzbWhkAAAAAAAAAAAAAAAkZGluZgAAABxkcmVmAAAAAAAAAAEAAAAMdXJsIAAAAAEAAADTc3RibAAAAGdzdHNkAAAAAAAAAAEAAABXbXA0YQAAAAAAAAABAAAAAAAAAAAAAgAQAAAAAKxEAAAAAAAzZXNkcwAAAAADgICAIgACAASAgIAUQBUAAAAAAfQAAAHz+QWAgIACEhAGgICAAQIAAAAYc3R0cwAAAAAAAAABAAAAAgAABAAAAAAcc3RzYwAAAAAAAAABAAAAAQAAAAIAAAABAAAAHHN0c3oAAAAAAAAAAAAAAAIAAAFzAAABdAAAABRzdGNvAAAAAAAAAAEAAAAsAAAAYnVkdGEAAABabWV0YQAAAAAAAAAhaGRscgAAAAAAAAAAbWRpcmFwcGwAAAAAAAAAAAAAAAAtaWxzdAAAACWpdG9vAAAAHWRhdGEAAAABAAAAAExhdmY1Ni40MC4xMDE=\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,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\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"opacity: 0.1;background-color:#3615d9\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,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\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
diff --git a/test/integration/fixtures/blocks/core__cover__video-overlay.serialized.html b/test/integration/fixtures/blocks/core__cover__video-overlay.serialized.html
index 3cbf472fe84c4..f7e9c07402307 100644
--- a/test/integration/fixtures/blocks/core__cover__video-overlay.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__video-overlay.serialized.html
@@ -1,5 +1,5 @@
-<!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":10,"customOverlayColor":"#3615d9","isUserOverlayColor":true,"backgroundType":"video"} -->
-<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim" style="background-color:#3615d9"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video><div class="wp-block-cover__inner-container"><!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
+<!-- wp:cover {"url":"data:video/mp4;base64,AAAAHGZ0eXBpc29tAAACAGlzb21pc28ybXA0MQAAAAhmcmVlAAAC721kYXQhEAUgpBv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA3pwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcCEQBSCkG//AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADengAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAsJtb292AAAAbG12aGQAAAAAAAAAAAAAAAAAAAPoAAAALwABAAABAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAB7HRyYWsAAABcdGtoZAAAAAMAAAAAAAAAAAAAAAIAAAAAAAAALwAAAAAAAAAAAAAAAQEAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAAC8AAAAAAAEAAAAAAWRtZGlhAAAAIG1kaGQAAAAAAAAAAAAAAAAAAKxEAAAIAFXEAAAAAAAtaGRscgAAAAAAAAAAc291bgAAAAAAAAAAAAAAAFNvdW5kSGFuZGxlcgAAAAEPbWluZgAAABBzbWhkAAAAAAAAAAAAAAAkZGluZgAAABxkcmVmAAAAAAAAAAEAAAAMdXJsIAAAAAEAAADTc3RibAAAAGdzdHNkAAAAAAAAAAEAAABXbXA0YQAAAAAAAAABAAAAAAAAAAAAAgAQAAAAAKxEAAAAAAAzZXNkcwAAAAADgICAIgACAASAgIAUQBUAAAAAAfQAAAHz+QWAgIACEhAGgICAAQIAAAAYc3R0cwAAAAAAAAABAAAAAgAABAAAAAAcc3RzYwAAAAAAAAABAAAAAQAAAAIAAAABAAAAHHN0c3oAAAAAAAAAAAAAAAIAAAFzAAABdAAAABRzdGNvAAAAAAAAAAEAAAAsAAAAYnVkdGEAAABabWV0YQAAAAAAAAAhaGRscgAAAAAAAAAAbWRpcmFwcGwAAAAAAAAAAAAAAAAtaWxzdAAAACWpdG9vAAAAHWRhdGEAAAABAAAAAExhdmY1Ni40MC4xMDE=","dimRatio":10,"customOverlayColor":"#3615d9","backgroundType":"video"} -->
+<div class="wp-block-cover"><span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity:0.1;background-color:#3615d9"></span><video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video><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">
 			Guten Berg!
 		</p>
diff --git a/test/integration/fixtures/blocks/core__cover__video.html b/test/integration/fixtures/blocks/core__cover__video.html
index 6dc5bfae8a15e..b371aa810d83d 100644
--- a/test/integration/fixtures/blocks/core__cover__video.html
+++ b/test/integration/fixtures/blocks/core__cover__video.html
@@ -1,6 +1,6 @@
 <!-- wp:cover {"url":"data:video/mp4;base64,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","dimRatio":40,"backgroundType":"video"} -->
 <div class="wp-block-cover">
-	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></span>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim" style="opacity: 0.4;"></span>
 	<video class="wp-block-cover__video-background intrinsic-ignore" autoplay muted loop playsinline src="data:video/mp4;base64,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" data-object-fit="cover"></video>
 	<div class="wp-block-cover__inner-container">
 		<!-- wp:paragraph {"align":"center","placeholder":"Write title…","fontSize":"large"} -->
diff --git a/test/integration/fixtures/blocks/core__cover__video.parsed.json b/test/integration/fixtures/blocks/core__cover__video.parsed.json
index 0ac0886db52f1..d4c8051da7f63 100644
--- a/test/integration/fixtures/blocks/core__cover__video.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__video.parsed.json
@@ -21,9 +21,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></span>\n\t<video class=\"wp-block-cover__video-background intrinsic-ignore\" autoplay muted loop playsinline src=\"data:video/mp4;base64,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\" data-object-fit=\"cover\"></video>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
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diff --git a/test/integration/fixtures/blocks/core__cover__video.serialized.html b/test/integration/fixtures/blocks/core__cover__video.serialized.html
index 0fb6cbf9e1266..9d67dd5bf179b 100644
--- a/test/integration/fixtures/blocks/core__cover__video.serialized.html
+++ b/test/integration/fixtures/blocks/core__cover__video.serialized.html
@@ -1,5 +1,5 @@
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 <p class="has-text-align-center has-large-font-size">
 			Guten Berg!
 		</p>