diff --git a/packages/block-editor/src/components/iframe/content.scss b/packages/block-editor/src/components/iframe/content.scss
index d33ed7818aa2a8..1d01f84b5fd1fd 100644
--- a/packages/block-editor/src/components/iframe/content.scss
+++ b/packages/block-editor/src/components/iframe/content.scss
@@ -23,10 +23,10 @@
 	$frame-size: var(--wp-block-editor-iframe-zoom-out-frame-size);
 	$inner-height: var(--wp-block-editor-iframe-zoom-out-inner-height);
 	$content-height: var(--wp-block-editor-iframe-zoom-out-content-height);
-	$outer-container-width: var(--wp-block-editor-iframe-zoom-out-outer-container-width);
+	$scale-container-width: var(--wp-block-editor-iframe-zoom-out-scale-container-width);
 	$container-width: var(--wp-block-editor-iframe-zoom-out-container-width, 100vw);
 	// Apply an X translation to center the scaled content within the available space.
-	transform: translateX(calc((#{$outer-container-width} - #{$container-width}) / 2 / #{$scale}));
+	transform: translateX(calc((#{$scale-container-width} - #{$container-width}) / 2 / #{$scale}));
 	scale: #{$scale};
 	background-color: $gray-300;
 
diff --git a/packages/block-editor/src/components/iframe/index.js b/packages/block-editor/src/components/iframe/index.js
index ee83176c2aeaf3..b14514f934fb3e 100644
--- a/packages/block-editor/src/components/iframe/index.js
+++ b/packages/block-editor/src/components/iframe/index.js
@@ -247,7 +247,7 @@ function Iframe( {
 		}
 	}, [ containerWidth, isZoomedOut ] );
 
-	const outerContainerWidth = Math.max(
+	const scaleContainerWidth = Math.max(
 		initialContainerWidth.current,
 		containerWidth
 	);
@@ -357,7 +357,7 @@ function Iframe( {
 			scale === 'default'
 				? ( Math.min( containerWidth, maxWidth ) -
 						parseInt( frameSize ) * 2 ) /
-						outerContainerWidth
+						scaleContainerWidth
 				: scale
 		);
 
@@ -379,8 +379,8 @@ function Iframe( {
 			`${ containerWidth }px`
 		);
 		iframeDocument.documentElement.style.setProperty(
-			'--wp-block-editor-iframe-zoom-out-outer-container-width',
-			`${ outerContainerWidth }px`
+			'--wp-block-editor-iframe-zoom-out-scale-container-width',
+			`${ scaleContainerWidth }px`
 		);
 
 		return () => {
@@ -400,7 +400,7 @@ function Iframe( {
 				'--wp-block-editor-iframe-zoom-out-container-width'
 			);
 			iframeDocument.documentElement.style.removeProperty(
-				'--wp-block-editor-iframe-zoom-out-outer-container-width'
+				'--wp-block-editor-iframe-zoom-out-scale-container-width'
 			);
 		};
 	}, [
@@ -412,7 +412,7 @@ function Iframe( {
 		containerWidth,
 		windowInnerWidth,
 		isZoomedOut,
-		outerContainerWidth,
+		scaleContainerWidth,
 	] );
 
 	// Make sure to not render the before and after focusable div elements in view
@@ -502,8 +502,8 @@ function Iframe( {
 					isZoomedOut && 'is-zoomed-out'
 				) }
 				style={ {
-					'--wp-block-editor-iframe-zoom-out-outer-container-width':
-						isZoomedOut && `${ outerContainerWidth }px`,
+					'--wp-block-editor-iframe-zoom-out-scale-container-width':
+						isZoomedOut && `${ scaleContainerWidth }px`,
 				} }
 			>
 				{ iframe }
diff --git a/packages/block-editor/src/components/iframe/style.scss b/packages/block-editor/src/components/iframe/style.scss
index d05be2f3977b9f..5dd30c338057e2 100644
--- a/packages/block-editor/src/components/iframe/style.scss
+++ b/packages/block-editor/src/components/iframe/style.scss
@@ -9,8 +9,8 @@
 }
 
 .block-editor-iframe__scale-container.is-zoomed-out {
-	$outer-container-width: var(--wp-block-editor-iframe-zoom-out-outer-container-width, 100vw);
-	width: $outer-container-width;
+	$scale-container-width: var(--wp-block-editor-iframe-zoom-out-scale-container-width, 100vw);
+	width: $scale-container-width;
 	// Position the iframe so that it is always aligned with the right side so that
 	// the scrollbar is always visible on the right side
 	position: absolute;