[css-cascade-5] Include non-name-defining rules in layer cascade #9601

Author: fantasai

css-cascade-5/Overview.bs

@@ -1264,10 +1264,10 @@ Cascade Layers</h3>
 		and come first in the order of appearance.
 	</div>
 
-	Name-defining [=at-rules=]
-	such as ''@keyframes'' or ''@font-face''
+	[=At-rules=]
+	(such as ''@keyframes'', ''@font-face'', ''@page'', etc.)
 	that are defined inside [=cascade layers=]
-	also use the layer order when resolving name collisions.
+	also use the layer order when resolving collisions or [=cascading=].
 
 	<div class="example">
 		For example,