html/semantics/interactive-elements/the-dialog-element/dialogs-with-no-backdrop-ref.html - external/w3c/web-platform-tests - Git at Google

 <!DOCTYPE html>
 <body>
 Test that ::backdrop is not shown for non-open or non-modal dialogs.
 The test passes if there is no red shown.
 </body>
	<!DOCTYPE html>
	<body>
	Test that ::backdrop is not shown for non-open or non-modal dialogs.
	The test passes if there is no red shown.
	</body>