@@ -321,7 +321,7 @@ Add a block that displays content pulled from other sites, like Twitter or YouTu
 
 -	**Name:** [core/embed](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-embed/core-block-embed/)
 -	**Category:** [embed](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-embed/)
--	**Supports:** align, anchor, interactivity (clientNavigation), spacing (margin, padding)
+-	**Supports:** align, anchor, dimensions (minHeight, minWidth), interactivity (clientNavigation), spacing (margin, padding)
 -	**Attributes:** allowResponsive, caption, previewable, providerNameSlug, responsive, type, url
 
 ## File
 
@@ -28,6 +28,9 @@ _Defined via the [`supports`](https://developer.wordpress.org/block-editor/refer
 
 - [`anchor`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#anchor): `true`
 - [`align`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#align): `true`
+- [`dimensions`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#dimensions):
+  - `minHeight`: `true`
+  - `minWidth`: `true`
 - [`spacing`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#spacing):
   - `margin`: `true`
   - `padding`: `true`
 
@@ -43,6 +43,10 @@
 	"supports": {
 		"anchor": true,
 		"align": true,
+		"dimensions": {
+			"minHeight": true,
+			"minWidth": true
+		},
 		"spacing": {
 			"margin": true,
 			"padding": true
 
@@ -17,14 +17,20 @@
 }
 
 // Supply a min-width when inside a cover block, to prevent it from collapsing.
-.wp-block-cover .wp-block-embed {
+// :root :where() matches Global Styles specificity so a minimum set there can
+// win, since block library styles load first.
+:root :where(.wp-block-cover .wp-block-embed) {
 	min-width: 320px;
 	min-height: 240px;
 }
 
 // Allow embeds to grow and shrink inside flex group blocks (Stack/Row), preventing collapse while fitting available space.
 .wp-block-group.is-layout-flex .wp-block-embed {
 	flex: 1 1 0%;
+}
+
+// Lowered like the cover minimums above.
+:root :where(.wp-block-group.is-layout-flex .wp-block-embed) {
 	min-width: 0;
 }
Original file line number	Diff line number	Diff line change
`@@ -17,14 +17,20 @@`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`// Supply a min-width when inside a cover block, to prevent it from collapsing.`
`20`		`-.wp-block-cover .wp-block-embed {`
	`20`	`+// :root :where() matches Global Styles specificity so a minimum set there can`
	`21`	`+// win, since block library styles load first.`
	`22`	`+:root :where(.wp-block-cover .wp-block-embed) {`
`21`	`23`	`min-width: 320px;`
`22`	`24`	`min-height: 240px;`
`23`	`25`	`}`
`24`	`26`
`25`	`27`	`// Allow embeds to grow and shrink inside flex group blocks (Stack/Row), preventing collapse while fitting available space.`
`26`	`28`	`.wp-block-group.is-layout-flex .wp-block-embed {`
`27`	`29`	`flex: 1 1 0%;`
	`30`	`+}`
	`31`	`+`
	`32`	`+// Lowered like the cover minimums above.`
	`33`	`+:root :where(.wp-block-group.is-layout-flex .wp-block-embed) {`
`28`	`34`	`min-width: 0;`
`29`	`35`	`}`
`30`	`36`