diff --git a/packages/base-styles/_z-index.scss b/packages/base-styles/_z-index.scss
index 77238c6f386084..784e7d33bdb14d 100644
--- a/packages/base-styles/_z-index.scss
+++ b/packages/base-styles/_z-index.scss
@@ -31,12 +31,14 @@ $z-layers: (
 	".interface-interface-skeleton__header": 30,
 	".interface-interface-skeleton__content": 20,
 	".edit-widgets-header": 30,
-	".wp-block-cover__inner-container": 1, // InnerBlocks area inside cover image block.
+
 	".wp-block-cover.is-placeholder .components-placeholder.is-large": 1, // Cover block resizer component inside a large placeholder.
+	// These z-index are now used only for a deprecated version of the cover block.
+	".wp-block-cover__inner-container": 1, // InnerBlocks area inside cover image block.
 	".wp-block-cover.has-background-dim::before": 1, // Overlay area inside block cover need to be higher than the video background.
-	".block-library-cover__padding-visualizer": 2, // BoxControl visualizer needs to be +1 higher than .wp-block-cover.has-background-dim::before
 	".wp-block-cover__image-background": 0, // Image background inside cover block.
 	".wp-block-cover__video-background": 0, // Video background inside cover block.
+
 	".wp-block-template-part__placeholder-preview-filter-input": 1,
 
 	// Fixed position appender:
diff --git a/packages/block-library/src/cover/deprecated.js b/packages/block-library/src/cover/deprecated.js
index 5e5fc64d12c16f..677ad098fd01e4 100644
--- a/packages/block-library/src/cover/deprecated.js
+++ b/packages/block-library/src/cover/deprecated.js
@@ -164,7 +164,7 @@ const v8ToV11BlockAttributes = {
 	},
 };
 
-const v12BlockAttributes = {
+const v12toV13BlockAttributes = {
 	...v8ToV11BlockAttributes,
 	useFeaturedImage: {
 		type: 'boolean',
@@ -176,6 +176,13 @@ const v12BlockAttributes = {
 	},
 };
 
+const v14BlockAttributes = {
+	...v12toV13BlockAttributes,
+	sizeSlug: {
+		type: 'string',
+	},
+};
+
 const v7toV11BlockSupports = {
 	anchor: true,
 	align: true,
@@ -244,9 +251,162 @@ const v12BlockSupports = {
 	},
 };
 
+// Deprecation for blocks that have z-index.
+const v14 = {
+	attributes: v14BlockAttributes,
+	supports: v12BlockSupports,
+	save( { attributes } ) {
+		const {
+			backgroundType,
+			gradient,
+			contentPosition,
+			customGradient,
+			customOverlayColor,
+			dimRatio,
+			focalPoint,
+			useFeaturedImage,
+			hasParallax,
+			isDark,
+			isRepeated,
+			overlayColor,
+			url,
+			alt,
+			id,
+			minHeight: minHeightProp,
+			minHeightUnit,
+			tagName: Tag,
+			sizeSlug,
+		} = attributes;
+		const overlayColorClass = getColorClassName(
+			'background-color',
+			overlayColor
+		);
+		const gradientClass = __experimentalGetGradientClass( gradient );
+		const minHeight =
+			minHeightProp && minHeightUnit
+				? `${ minHeightProp }${ minHeightUnit }`
+				: minHeightProp;
+
+		const isImageBackground = IMAGE_BACKGROUND_TYPE === backgroundType;
+		const isVideoBackground = VIDEO_BACKGROUND_TYPE === backgroundType;
+
+		const isImgElement = ! ( hasParallax || isRepeated );
+
+		const style = {
+			minHeight: minHeight || undefined,
+		};
+
+		const bgStyle = {
+			backgroundColor: ! overlayColorClass
+				? customOverlayColor
+				: undefined,
+			background: customGradient ? customGradient : undefined,
+		};
+
+		const objectPosition =
+			// prettier-ignore
+			focalPoint && isImgElement
+				  ? mediaPosition(focalPoint)
+				  : undefined;
+
+		const backgroundImage = url ? `url(${ url })` : undefined;
+
+		const backgroundPosition = mediaPosition( focalPoint );
+
+		const classes = clsx(
+			{
+				'is-light': ! isDark,
+				'has-parallax': hasParallax,
+				'is-repeated': isRepeated,
+				'has-custom-content-position':
+					! isContentPositionCenter( contentPosition ),
+			},
+			getPositionClassName( contentPosition )
+		);
+
+		const imgClasses = clsx(
+			'wp-block-cover__image-background',
+			id ? `wp-image-${ id }` : null,
+			{
+				[ `size-${ sizeSlug }` ]: sizeSlug,
+				'has-parallax': hasParallax,
+				'is-repeated': isRepeated,
+			}
+		);
+
+		const gradientValue = gradient || customGradient;
+
+		return (
+			<Tag { ...useBlockProps.save( { className: classes, style } ) }>
+				<span
+					aria-hidden="true"
+					className={ clsx(
+						'wp-block-cover__background',
+						overlayColorClass,
+						dimRatioToClass( dimRatio ),
+						{
+							'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={ bgStyle }
+				/>
+
+				{ ! useFeaturedImage &&
+					isImageBackground &&
+					url &&
+					( isImgElement ? (
+						<img
+							className={ imgClasses }
+							alt={ alt }
+							src={ url }
+							style={ { objectPosition } }
+							data-object-fit="cover"
+							data-object-position={ objectPosition }
+						/>
+					) : (
+						<div
+							role={ alt ? 'img' : undefined }
+							aria-label={ alt ? alt : undefined }
+							className={ imgClasses }
+							style={ { backgroundPosition, backgroundImage } }
+						/>
+					) ) }
+				{ isVideoBackground && url && (
+					<video
+						className={ clsx(
+							'wp-block-cover__video-background',
+							'intrinsic-ignore'
+						) }
+						autoPlay
+						muted
+						loop
+						playsInline
+						src={ url }
+						style={ { objectPosition } }
+						data-object-fit="cover"
+						data-object-position={ objectPosition }
+					/>
+				) }
+				<div
+					{ ...useInnerBlocksProps.save( {
+						className: 'wp-block-cover__inner-container',
+					} ) }
+				/>
+			</Tag>
+		);
+	},
+};
+
 // Deprecation for blocks that does not have the aria-label when the image background is fixed or repeated.
 const v13 = {
-	attributes: v12BlockAttributes,
+	attributes: v12toV13BlockAttributes,
 	supports: v12BlockSupports,
 	save( { attributes } ) {
 		const {
@@ -396,7 +556,7 @@ const v13 = {
 
 // Deprecation for blocks to prevent auto overlay color from overriding previously set values.
 const v12 = {
-	attributes: v12BlockAttributes,
+	attributes: v12toV13BlockAttributes,
 	supports: v12BlockSupports,
 	isEligible( attributes ) {
 		return (
@@ -1824,4 +1984,4 @@ const v1 = {
 	},
 };
 
-export default [ v13, v12, v11, v10, v9, v8, v7, v6, v5, v4, v3, v2, v1 ];
+export default [ v14, v13, v12, v11, v10, v9, v8, v7, v6, v5, v4, v3, v2, v1 ];
diff --git a/packages/block-library/src/cover/edit/index.js b/packages/block-library/src/cover/edit/index.js
index 88a47f566987c6..181f855f879136 100644
--- a/packages/block-library/src/cover/edit/index.js
+++ b/packages/block-library/src/cover/edit/index.js
@@ -528,27 +528,6 @@ function CoverEdit( {
 				data-url={ url }
 			>
 				{ resizeListener }
-				{ 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 } }
-					/>
-				) }
 
 				{ ! url && useFeaturedImage && (
 					<Placeholder
@@ -590,7 +569,31 @@ function CoverEdit( {
 						style={ mediaStyle }
 					/>
 				) }
+
+				{ 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 } }
+					/>
+				) }
+
 				{ isUploadingMedia && <Spinner /> }
+
 				<CoverPlaceholder
 					disableMediaButtons
 					onSelectMedia={ onSelectMedia }
diff --git a/packages/block-library/src/cover/editor.scss b/packages/block-library/src/cover/editor.scss
index b92c401311beee..da5d4be26ac962 100644
--- a/packages/block-library/src/cover/editor.scss
+++ b/packages/block-library/src/cover/editor.scss
@@ -37,12 +37,15 @@
 			width: 100%;
 			z-index: 1;
 		}
+
+		.wp-block-cover__inner-container {
+			z-index: 2;
+		}
 	}
 
 	// Shown while media is being uploaded
 	.components-spinner {
 		position: absolute;
-		z-index: z-index(".wp-block-cover__inner-container");
 		top: 50%;
 		left: 50%;
 		transform: translate(-50%, -50%); // Account for spinner dimensions
diff --git a/packages/block-library/src/cover/save.js b/packages/block-library/src/cover/save.js
index 325ddf2b741f98..bbd0df0b477395 100644
--- a/packages/block-library/src/cover/save.js
+++ b/packages/block-library/src/cover/save.js
@@ -106,26 +106,6 @@ export default function save( { attributes } ) {
 
 	return (
 		<Tag { ...useBlockProps.save( { className: classes, style } ) }>
-			<span
-				aria-hidden="true"
-				className={ clsx(
-					'wp-block-cover__background',
-					overlayColorClass,
-					dimRatioToClass( dimRatio ),
-					{
-						'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={ bgStyle }
-			/>
-
 			{ ! useFeaturedImage &&
 				isImageBackground &&
 				url &&
@@ -162,6 +142,27 @@ export default function save( { attributes } ) {
 					data-object-position={ objectPosition }
 				/>
 			) }
+
+			<span
+				aria-hidden="true"
+				className={ clsx(
+					'wp-block-cover__background',
+					overlayColorClass,
+					dimRatioToClass( dimRatio ),
+					{
+						'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={ bgStyle }
+			/>
+
 			<div
 				{ ...useInnerBlocksProps.save( {
 					className: 'wp-block-cover__inner-container',
diff --git a/packages/block-library/src/cover/style.scss b/packages/block-library/src/cover/style.scss
index b2c1fe88440235..26f64ef4ee48e8 100644
--- a/packages/block-library/src/cover/style.scss
+++ b/packages/block-library/src/cover/style.scss
@@ -54,7 +54,6 @@
 		left: 0;
 		bottom: 0;
 		right: 0;
-		z-index: z-index(".wp-block-cover.has-background-dim::before");
 		opacity: 0.5;
 	}
 
@@ -95,17 +94,11 @@
 	}
 
 	.wp-block-cover__inner-container {
+		position: relative; // Needed after the v14 deprecation..
 		width: 100%;
-		z-index: z-index(".wp-block-cover__inner-container");
 		color: inherit;
 		// Reset the fixed LTR direction at the root of the block in RTL languages.
 		/*rtl:raw: direction: rtl; */
-
-		// Reset the z-index to auto when the body has a modal open. So when the
-		// modal is inside the cover, it doesn't create a stacking context.
-		@at-root .has-modal-open & {
-			z-index: auto;
-		}
 	}
 
 	// Position: Top
@@ -215,14 +208,6 @@ video.wp-block-cover__video-background {
 	}
 }
 
-.wp-block-cover__video-background {
-	z-index: z-index(".wp-block-cover__video-background");
-}
-
-.wp-block-cover__image-background {
-	z-index: z-index(".wp-block-cover__image-background");
-}
-
 // Styles below only exist to support older versions of the block.
 // Versions that not had inner blocks and used an h2 heading had a section (and not a div) with a class wp-block-cover-image (and not a wp-block-cover).
 // We are using the previous referred differences to target old versions.
@@ -302,3 +287,41 @@ section.wp-block-cover-image > h2,
 		color: inherit;
 	}
 }
+
+// Backward compatibility for v14 deprecation. Only applied to the frontend.
+body:not(.editor-styles-wrapper) .wp-block-cover:not(
+.wp-block-cover:has(
+	/* When the `.wp-block-cover__inner-container` comes right after the
+	`.wp-block-cover__background` , it means that it's using the new HTML
+	structure or that it's using the color background or gradient (even in
+	the deprecated version). In the last option we also don't need the z-index
+	because the elements are in the expected order. */
+	.wp-block-cover__background + .wp-block-cover__inner-container
+)
+) {
+	.wp-block-cover__video-background {
+		z-index: z-index(".wp-block-cover__video-background");
+	}
+
+	.wp-block-cover__image-background {
+		z-index: z-index(".wp-block-cover__image-background");
+	}
+
+	// The first selector is required for old Cover markup/
+	// Keep .wp-block-cover__gradient-background for v8 deprecation.
+	&.has-background-dim:not(.has-background-gradient)::before,
+	.wp-block-cover__background,
+	.wp-block-cover__gradient-background {
+		z-index: z-index(".wp-block-cover.has-background-dim::before");
+	}
+
+	.wp-block-cover__inner-container {
+		z-index: z-index(".wp-block-cover__inner-container");
+
+		// Reset the z-index to auto when the body has a modal open. So when the
+		// modal is inside the cover, it doesn't create a stacking context.
+		@at-root .has-modal-open & {
+			z-index: auto;
+		}
+	}
+}
diff --git a/test/integration/fixtures/blocks/core__cover.html b/test/integration/fixtures/blocks/core__cover.html
index 5c69931dd22691..e60cc1b4311d0f 100644
--- a/test/integration/fixtures/blocks/core__cover.html
+++ b/test/integration/fixtures/blocks/core__cover.html
@@ -1,8 +1,8 @@
 <!-- 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">
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
+	<img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover" />
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
 			Guten Berg!
diff --git a/test/integration/fixtures/blocks/core__cover.parsed.json b/test/integration/fixtures/blocks/core__cover.parsed.json
index 4df6d84c29cef2..41c41a8b0f3e5f 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 has-no-zindex-in-inner-blocks\">\n\t<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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></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-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 has-no-zindex-in-inner-blocks\">\n\t<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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></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.serialized.html b/test/integration/fixtures/blocks/core__cover.serialized.html
index b7eeb8cf4b85d8..8533de7667b4ff 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
 			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 7c8aaa5a7ccbc6..045cee934e060b 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 has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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 -->
\ 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 9de6f5b24fe0d0..cbb139cf37b2b9 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 has-no-zindex-in-inner-blocks\"><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><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"></span><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 has-no-zindex-in-inner-blocks\"><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><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"></span><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 438eba81614c4a..a54ae5b8e1befd 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 has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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-1.html b/test/integration/fixtures/blocks/core__cover__deprecated-1.html
index 6eab178d72268d..5d7b3867b31cbf 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-1.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-1.html
@@ -1,3 +1,3 @@
 <!-- wp:cover-image {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":34} -->
-<section class="wp-block-cover-image has-background-dim" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><h2><strong>Cover Image</strong></h2></section>
+<section class="wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><h2><strong>Cover Image</strong></h2></section>
 <!-- /wp:cover-image -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-1.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-1.parsed.json
index 602e6dde96c93f..fb5f26e1f9f1ea 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-1.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-1.parsed.json
@@ -6,9 +6,9 @@
 			"id": 34
 		},
 		"innerBlocks": [],
-		"innerHTML": "\n<section class=\"wp-block-cover-image has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><h2><strong>Cover Image</strong></h2></section>\n",
+		"innerHTML": "\n<section class=\"wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><h2><strong>Cover Image</strong></h2></section>\n",
 		"innerContent": [
-			"\n<section class=\"wp-block-cover-image has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><h2><strong>Cover Image</strong></h2></section>\n"
+			"\n<section class=\"wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><h2><strong>Cover Image</strong></h2></section>\n"
 		]
 	}
 ]
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 0a535e66bff5b4..c7649a9b9a161c 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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"><strong>Cover Image</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-10.html b/test/integration/fixtures/blocks/core__cover__deprecated-10.html
index 48eef6a6a3d9de..0e914564d24780 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-10.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-10.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 has-no-zindex-in-inner-blocks"><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"} -->
 	<p class="has-text-align-center has-large-font-size"></p>
 	<!-- /wp:paragraph --></div></div>
-	<!-- /wp:cover -->
\ No newline at end of file
+	<!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-10.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-10.parsed.json
index 3d9e9100d214a8..e6e8a8c1fc0547 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-10.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-10.parsed.json
@@ -21,9 +21,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<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\"></div></div>\n\t",
+		"innerHTML": "\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\"><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\"></div></div>\n\t",
 		"innerContent": [
-			"\n<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\">",
+			"\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\"><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\">",
 			null,
 			"</div></div>\n\t"
 		]
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 d48a8b8e983945..b36857b68da61e 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-609" alt="" src="https://w.wiki/59Sd" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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-12.html b/test/integration/fixtures/blocks/core__cover__deprecated-12.html
index 1ae933aed80105..4aeac20130414b 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-12.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-12.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"useFeaturedImage":true,"dimRatio":50,"customOverlayColor":"#3615d9","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 has-no-zindex-in-inner-blocks"><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"} -->
 	<p class="has-text-align-center has-large-font-size"></p>
 	<!-- /wp:paragraph --></div></div>
-	<!-- /wp:cover -->
\ No newline at end of file
+	<!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-12.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-12.parsed.json
index f4e2e302cf52e7..6727a8179bf4c8 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-12.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-12.parsed.json
@@ -24,9 +24,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<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\"></div></div>\n\t",
+		"innerHTML": "\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#3615d9\"></span><div class=\"wp-block-cover__inner-container\"></div></div>\n\t",
 		"innerContent": [
-			"\n<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\">",
+			"\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#3615d9\"></span><div class=\"wp-block-cover__inner-container\">",
 			null,
 			"</div></div>\n\t"
 		]
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 d51734e18a5418..43b06f7cf6519b 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 has-no-zindex-in-inner-blocks"><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"} -->
 <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-14.html b/test/integration/fixtures/blocks/core__cover__deprecated-14.html
new file mode 100644
index 00000000000000..f3e0668ec5c72e
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-14.html
@@ -0,0 +1,5 @@
+	<!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":36,"dimRatio":50,"overlayColor":"base","isUserOverlayColor":true,"isDark":false,"layout":{"type":"constrained"}} -->
+<div class="wp-block-cover is-light has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-36" alt="" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-base-background-color has-background-dim"></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-14.json b/test/integration/fixtures/blocks/core__cover__deprecated-14.json
new file mode 100644
index 00000000000000..a848fb34c98d8a
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-14.json
@@ -0,0 +1,37 @@
+[
+	{
+		"name": "core/cover",
+		"isValid": true,
+		"attributes": {
+			"url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==",
+			"useFeaturedImage": false,
+			"id": 36,
+			"alt": "",
+			"hasParallax": false,
+			"isRepeated": false,
+			"dimRatio": 50,
+			"overlayColor": "base",
+			"isUserOverlayColor": true,
+			"backgroundType": "image",
+			"isDark": false,
+			"tagName": "div",
+			"layout": {
+				"type": "constrained"
+			}
+		},
+		"innerBlocks": [
+			{
+				"name": "core/paragraph",
+				"isValid": true,
+				"attributes": {
+					"align": "center",
+					"content": "",
+					"dropCap": false,
+					"placeholder": "Write title…",
+					"fontSize": "large"
+				},
+				"innerBlocks": []
+			}
+		]
+	}
+]
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-14.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-14.parsed.json
new file mode 100644
index 00000000000000..42e0ad9ec7ae61
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-14.parsed.json
@@ -0,0 +1,37 @@
+[
+	{
+		"blockName": "core/cover",
+		"attrs": {
+			"url": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==",
+			"id": 36,
+			"dimRatio": 50,
+			"overlayColor": "base",
+			"isUserOverlayColor": true,
+			"isDark": false,
+			"layout": {
+				"type": "constrained"
+			}
+		},
+		"innerBlocks": [
+			{
+				"blockName": "core/paragraph",
+				"attrs": {
+					"align": "center",
+					"placeholder": "Write title…",
+					"fontSize": "large"
+				},
+				"innerBlocks": [],
+				"innerHTML": "\n\t<p class=\"has-text-align-center has-large-font-size\"></p>\n\t",
+				"innerContent": [
+					"\n\t<p class=\"has-text-align-center has-large-font-size\"></p>\n\t"
+				]
+			}
+		],
+		"innerHTML": "\n<div class=\"wp-block-cover is-light has-no-zindex-in-inner-blocks\"><img class=\"wp-block-cover__image-background wp-image-36\" alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==\" data-object-fit=\"cover\"/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-base-background-color has-background-dim\"></span><div class=\"wp-block-cover__inner-container\"></div></div>\n\t",
+		"innerContent": [
+			"\n<div class=\"wp-block-cover is-light has-no-zindex-in-inner-blocks\"><img class=\"wp-block-cover__image-background wp-image-36\" alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==\" data-object-fit=\"cover\"/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-base-background-color has-background-dim\"></span><div class=\"wp-block-cover__inner-container\">",
+			null,
+			"</div></div>\n\t"
+		]
+	}
+]
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-14.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-14.serialized.html
new file mode 100644
index 00000000000000..35310526bc94ea
--- /dev/null
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-14.serialized.html
@@ -0,0 +1,5 @@
+<!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":36,"dimRatio":50,"overlayColor":"base","isUserOverlayColor":true,"isDark":false,"layout":{"type":"constrained"}} -->
+<div class="wp-block-cover is-light has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-36" alt="" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-base-background-color has-background-dim"></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.html b/test/integration/fixtures/blocks/core__cover__deprecated-2.html
index efbb570a741902..af076a082e0246 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-2.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-2.html
@@ -1,3 +1,4 @@
 <!-- wp:cover-image {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":34} -->
-<div class="wp-block-cover-image has-background-dim" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><p class="wp-block-cover-image-text"><strong>Cover Block</strong></p></div>
+<div class="wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><p class="wp-block-cover-image-text"><strong>Cover Block</strong></p></div>
 <!-- /wp:cover-image -->
+
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-2.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-2.parsed.json
index a9c4f6dc32b17b..9f7cc32af232c7 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-2.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-2.parsed.json
@@ -6,9 +6,9 @@
 			"id": 34
 		},
 		"innerBlocks": [],
-		"innerHTML": "\n<div class=\"wp-block-cover-image has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-image-text\"><strong>Cover Block</strong></p></div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-image-text\"><strong>Cover Block</strong></p></div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover-image has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-image-text\"><strong>Cover Block</strong></p></div>\n"
+			"\n<div class=\"wp-block-cover-image has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-image-text\"><strong>Cover Block</strong></p></div>\n"
 		]
 	}
 ]
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 361eb663bf1f62..b9c71938457a68 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-34" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-3.html b/test/integration/fixtures/blocks/core__cover__deprecated-3.html
index 1867ebcc9f60f9..77a20c75873d10 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-3.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-3.html
@@ -1,3 +1,4 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":35} -->
-<div class="wp-block-cover has-background-dim" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><p class="wp-block-cover-text"><strong>Cover Block</strong></p></div>
+<div class="wp-block-cover has-background-dim has-no-zindex-in-inner-blocks" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)"><p class="wp-block-cover-text"><strong>Cover Block</strong></p></div>
 <!-- /wp:cover -->
+
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-3.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-3.parsed.json
index b11319c27eb6cf..26fca5b7c6bb50 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-3.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-3.parsed.json
@@ -6,9 +6,9 @@
 			"id": 35
 		},
 		"innerBlocks": [],
-		"innerHTML": "\n<div class=\"wp-block-cover has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-text\"><strong>Cover Block</strong></p></div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-text\"><strong>Cover Block</strong></p></div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-text\"><strong>Cover Block</strong></p></div>\n"
+			"\n<div class=\"wp-block-cover has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==)\"><p class=\"wp-block-cover-text\"><strong>Cover Block</strong></p></div>\n"
 		]
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 ]
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 c1cd5a78fbee56..b7e4932f2553a5 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background wp-image-35" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-4.html b/test/integration/fixtures/blocks/core__cover__deprecated-4.html
index ab86f0ebdcdde9..121e6faed7efe4 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-4.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-4.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==","id":35,"focalPoint":{"x":"0.07","y":"0.07"}} -->
-<div class="wp-block-cover has-background-dim" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%">
+<div class="wp-block-cover has-background-dim has-no-zindex-in-inner-blocks" style="background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%">
 	<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>
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-4.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-4.parsed.json
index c54574b339d9f4..93aeef8be7e811 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-4.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-4.parsed.json
@@ -24,9 +24,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%\">\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 has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%\">\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 has-background-dim\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%\">\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover has-background-dim has-no-zindex-in-inner-blocks\" style=\"background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==);background-position:7.000000000000001% 7.000000000000001%\">\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
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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 be37f15331a564..a86154dbcfe0a2 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"}} -->
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+<div class="wp-block-cover is-light has-no-zindex-in-inner-blocks"><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%"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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"><strong>Cover Block</strong></p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-5.html b/test/integration/fixtures/blocks/core__cover__deprecated-5.html
index 5d0cea3342537c..73d61061ceb358 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-5.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-5.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"url":"data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=","gradient":"midnight"} -->
-<div class="wp-block-cover has-background-dim"
+<div class="wp-block-cover has-background-dim has-no-zindex-in-inner-blocks"
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 	<span aria-hidden="true" class="wp-block-cover__gradient-background has-midnight-gradient-background"></span>
 	<div class="wp-block-cover__inner-container">
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-5.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-5.parsed.json
index 1adbfc8c4a1e00..9b5a02c9f54e70 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-5.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-5.parsed.json
@@ -20,9 +20,9 @@
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 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover has-background-dim\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-midnight-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 has-background-dim has-no-zindex-in-inner-blocks\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-midnight-gradient-background\"></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 has-background-dim\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-midnight-gradient-background\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div class=\"wp-block-cover has-background-dim has-no-zindex-in-inner-blocks\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\">\n\t<span aria-hidden=\"true\" class=\"wp-block-cover__gradient-background has-midnight-gradient-background\"></span>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
 			null,
 			"\n\t</div>\n</div>\n"
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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 2d9a20ba12791e..54274b7ea10d32 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><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><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.html b/test/integration/fixtures/blocks/core__cover__deprecated-6.html
index 3d36466465768a..6cc8e7a11d6ab0 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-6.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-6.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 has-background-dim-40 has-background-dim"
+	class="wp-block-cover has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks"
 	style="background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)"
 >
 	<div class="wp-block-cover__inner-container">
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-6.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-6.parsed.json
index 4bd1dffccd83f8..8597e51032a013 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-6.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-6.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div\n\tclass=\"wp-block-cover has-background-dim-40 has-background-dim\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\"\n>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
+		"innerHTML": "\n<div\n\tclass=\"wp-block-cover has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\"\n>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t\n\t</div>\n</div>\n",
 		"innerContent": [
-			"\n<div\n\tclass=\"wp-block-cover has-background-dim-40 has-background-dim\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\"\n>\n\t<div class=\"wp-block-cover__inner-container\">\n\t\t",
+			"\n<div\n\tclass=\"wp-block-cover has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks\"\n\tstyle=\"background-image:url(data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=)\"\n>\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__deprecated-6.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-6.serialized.html
index 657c10cc928964..6549b90708dd67 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
 			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 has-no-zindex-in-inner-blocks" style="min-height:48vw"><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%"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim-0 has-background-dim"></span><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 has-no-zindex-in-inner-blocks"><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"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></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">test</p>
 <!-- /wp:paragraph --></div></div>
 <!-- /wp:cover -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-7.html b/test/integration/fixtures/blocks/core__cover__deprecated-7.html
index 6483b44fb3923c..edff6d450d809c 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-7.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-7.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 has-background-dim-40 has-background-dim">
+<div class="wp-block-cover has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks">
 	<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__deprecated-7.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-7.parsed.json
index f286f061a76c7a..877280961e2591 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-7.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-7.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover has-background-dim-40 has-background-dim\">\n\t<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 has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks\">\n\t<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 has-background-dim-40 has-background-dim\">\n\t<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 has-background-dim-40 has-background-dim has-no-zindex-in-inner-blocks\">\n\t<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__deprecated-7.serialized.html b/test/integration/fixtures/blocks/core__cover__deprecated-7.serialized.html
index baa8e32e7e8238..d94bb2c1fe4df9 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
 			Guten Berg!
 		</p>
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-8.html b/test/integration/fixtures/blocks/core__cover__deprecated-8.html
index 8da6a870594839..2bb82286868b0a 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-8.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-8.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">
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
     <span aria-hidden="true" class="has-background-dim-40 wp-block-cover__gradient-background 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">
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-8.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-8.parsed.json
index f90273321b52bb..1d39d1786eff93 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-8.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-8.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-40 wp-block-cover__gradient-background 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        \n    </div>\n</div>\n",
+		"innerHTML": "\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-40 wp-block-cover__gradient-background 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        \n    </div>\n</div>\n",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-40 wp-block-cover__gradient-background 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        ",
+			"\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\">\n    <span aria-hidden=\"true\" class=\"has-background-dim-40 wp-block-cover__gradient-background 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        ",
 			null,
 			"\n    </div>\n</div>\n"
 		]
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 fd99791a8e5247..f34d7c34688c7f 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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
                 Guten Berg!
         </p>
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-9.html b/test/integration/fixtures/blocks/core__cover__deprecated-9.html
index cdb9efff4f3678..9a070a0fe8c75b 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-9.html
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-9.html
@@ -1,5 +1,5 @@
 <!-- wp:cover {"overlayColor":"primary","minHeightUnit":"%"} -->
-<div class="wp-block-cover" style="min-height:undefined%">
+<div class="wp-block-cover has-no-zindex-in-inner-blocks" style="min-height:undefined%">
 	<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"} -->
diff --git a/test/integration/fixtures/blocks/core__cover__deprecated-9.parsed.json b/test/integration/fixtures/blocks/core__cover__deprecated-9.parsed.json
index e9a52634d828f1..500dc820f7802e 100644
--- a/test/integration/fixtures/blocks/core__cover__deprecated-9.parsed.json
+++ b/test/integration/fixtures/blocks/core__cover__deprecated-9.parsed.json
@@ -20,9 +20,9 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\" style=\"min-height:undefined%\">\n\t<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 has-no-zindex-in-inner-blocks\" style=\"min-height:undefined%\">\n\t<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",
 		"innerContent": [
-			"\n<div class=\"wp-block-cover\" style=\"min-height:undefined%\">\n\t<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 has-no-zindex-in-inner-blocks\" style=\"min-height:undefined%\">\n\t<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",
 			null,
 			"\n\t</div>\n</div>\n"
 		]
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 8b47c4651e8826..bc0174bac59d26 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 has-no-zindex-in-inner-blocks"><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"} -->
 <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 8c77b25cf33fc5..4e88ff9b3bd934 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 has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim"></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 -->
\ 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 22ae61f6258ef7..06b6b9a503dfe3 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 has-no-zindex-in-inner-blocks\"><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><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\"></span><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 has-no-zindex-in-inner-blocks\"><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><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\"></span><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 e52c3e993dd109..d430f645179a4a 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 has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim"></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__gradient-custom.html b/test/integration/fixtures/blocks/core__cover__gradient-custom.html
index fd0a8517357857..d940d77ef4a6e0 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-custom.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-custom.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">
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
 	<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"} -->
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 53f6fc55fb2777..e0c363e487ad1c 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 has-no-zindex-in-inner-blocks\">\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",
 		"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 has-no-zindex-in-inner-blocks\">\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",
 			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 a6ea10215b7a1b..3691143bb3189e 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 has-no-zindex-in-inner-blocks"><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"} -->
 <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 dba861ef5bf3f3..9ef10ad9ce8d37 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-image.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-image.html
@@ -1,7 +1,7 @@
 <!-- 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">
-    <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>
-    <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 has-no-zindex-in-inner-blocks">
+	<img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/>
+	<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>
 	<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-image.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient-image.parsed.json
index e5e97653e27459..fadaa741dce0a0 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 has-no-zindex-in-inner-blocks\">\n\t<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<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\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 has-no-zindex-in-inner-blocks\">\n\t<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<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\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 135949383f712c..2d63d5c1bac5b8 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%)"} -->
-<div class="wp-block-cover"><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><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 has-no-zindex-in-inner-blocks"><img class="wp-block-cover__image-background" alt="" src="data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=" data-object-fit="cover"/><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><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 1081afe2518b3a..67bdc90d48aa24 100644
--- a/test/integration/fixtures/blocks/core__cover__gradient-video.html
+++ b/test/integration/fixtures/blocks/core__cover__gradient-video.html
@@ -1,7 +1,7 @@
 <!-- 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>
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
 	<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>
+	<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>
 	<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-video.parsed.json b/test/integration/fixtures/blocks/core__cover__gradient-video.parsed.json
index 8ad72c9c549b24..6dee9aeec1d154 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 @@
 				]
 			}
 		],
-		"innerHTML": "\n<div class=\"wp-block-cover\">\n\t<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>\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 has-no-zindex-in-inner-blocks\">\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<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>\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-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>\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 has-no-zindex-in-inner-blocks\">\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<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>\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 417d8666481dcd..920b15d5042eab 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,AAAAHGZ0eXBpc29tAAACAGlzb21pc28ybXA0MQAAAAhmcmVlAAAC721kYXQhEAUgpBv/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA3pwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcCEQBSCkG//AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADengAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAcAAAAsJtb292AAAAbG12aGQAAAAAAAAAAAAAAAAAAAPoAAAALwABAAABAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAAAB7HRyYWsAAABcdGtoZAAAAAMAAAAAAAAAAAAAAAIAAAAAAAAALwAAAAAAAAAAAAAAAQEAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAAC8AAAAAAAEAAAAAAWRtZGlhAAAAIG1kaGQAAAAAAAAAAAAAAAAAAKxEAAAIAFXEAAAAAAAtaGRscgAAAAAAAAAAc291bgAAAAAAAAAAAAAAAFNvdW5kSGFuZGxlcgAAAAEPbWluZgAAABBzbWhkAAAAAAAAAAAAAAAkZGluZgAAABxkcmVmAAAAAAAAAAEAAAAMdXJsIAAAAAEAAADTc3RibAAAAGdzdHNkAAAAAAAAAAEAAABXbXA0YQAAAAAAAAABAAAAAAAAAAAAAgAQAAAAAKxEAAAAAAAzZXNkcwAAAAADgICAIgACAASAgIAUQBUAAAAAAfQAAAHz+QWAgIACEhAGgICAAQIAAAAYc3R0cwAAAAAAAAABAAAAAgAABAAAAAAcc3RzYwAAAAAAAAABAAAAAQAAAAIAAAABAAAAHHN0c3oAAAAAAAAAAAAAAAIAAAFzAAABdAAAABRzdGNvAAAAAAAAAAEAAAAsAAAAYnVkdGEAAABabWV0YQAAAAAAAAAhaGRscgAAAAAAAAAAbWRpcmFwcGwAAAAAAAAAAAAAAAAtaWxzdAAAACWpdG9vAAAAHWRhdGEAAAABAAAAAExhdmY1Ni40MC4xMDE=","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 has-no-zindex-in-inner-blocks"><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><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><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 7b20b808c461c3..d60d11f86dbb1c 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>
+<div class="wp-block-cover is-light has-no-zindex-in-inner-blocks">
+	<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"} -->
 		<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 d6f084f048d856..3eeedd84af43a8 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 has-no-zindex-in-inner-blocks\">\n\t<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",
 		"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 has-no-zindex-in-inner-blocks\">\n\t<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",
 			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 12f535f03d091a..3e7b9093055fa6 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 has-no-zindex-in-inner-blocks"><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"} -->
 <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.serialized.html b/test/integration/fixtures/blocks/core__cover__gradient__deprecated-8.serialized.html
index 9dbf400bcff0d8..b00248ffc005f3 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 +1,5 @@
 <!-- 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 has-no-zindex-in-inner-blocks"><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"} -->
 <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__solid-color.html b/test/integration/fixtures/blocks/core__cover__solid-color.html
index 2b280936af63be..5207ce7494d8b0 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>
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
+	<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"} -->
 		<p class="has-text-align-center has-large-font-size"></p>
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 98e28467d1ab5c..9a2ed4df818030 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 has-no-zindex-in-inner-blocks\">\n\t<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",
 		"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 has-no-zindex-in-inner-blocks\">\n\t<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",
 			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 333fb817b7283f..2472ca80b43af0 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"} -->
+<div class="wp-block-cover has-no-zindex-in-inner-blocks"><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"} -->
 <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 3d78269821c152..244ffd43878bd9 100644
--- a/test/integration/fixtures/blocks/core__cover__video-overlay.html
+++ b/test/integration/fixtures/blocks/core__cover__video-overlay.html
@@ -1,7 +1,7 @@
 <!-- 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>
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
 	<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>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim" style="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">
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 c766000af56727..cf9353def370af 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 has-no-zindex-in-inner-blocks\">\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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\"></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-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 has-no-zindex-in-inner-blocks\">\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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-10 has-background-dim\" style=\"background-color:#3615d9\"></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__video-overlay.serialized.html b/test/integration/fixtures/blocks/core__cover__video-overlay.serialized.html
index 3cbf472fe84c4a..362cb9e7ba1d00 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"} -->
+<div class="wp-block-cover has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim-10 has-background-dim" style="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">
 			Guten Berg!
 		</p>
diff --git a/test/integration/fixtures/blocks/core__cover__video.html b/test/integration/fixtures/blocks/core__cover__video.html
index 6dc5bfae8a15e4..0535cb1b326976 100644
--- a/test/integration/fixtures/blocks/core__cover__video.html
+++ b/test/integration/fixtures/blocks/core__cover__video.html
@@ -1,7 +1,7 @@
 <!-- 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>
+<div class="wp-block-cover has-no-zindex-in-inner-blocks">
 	<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>
+	<span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
diff --git a/test/integration/fixtures/blocks/core__cover__video.parsed.json b/test/integration/fixtures/blocks/core__cover__video.parsed.json
index 0ac0886db52f1f..75f6b55f855fad 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",
+		"innerHTML": "\n<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\">\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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></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-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<div class=\"wp-block-cover has-no-zindex-in-inner-blocks\">\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<span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-40 has-background-dim\"></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__video.serialized.html b/test/integration/fixtures/blocks/core__cover__video.serialized.html
index 0fb6cbf9e1266e..e3840e41ee7478 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 @@
 <!-- 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><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 has-no-zindex-in-inner-blocks"><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><span aria-hidden="true" class="wp-block-cover__background has-background-dim-40 has-background-dim"></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">
 			Guten Berg!
 		</p>