LayoutTests/fast/css/pseudo-focus-within-style-sharing-1.html - WebKit - Git at Google

 <!DOCTYPE HTML>
 <html>
 <head>
 <style>
     * {
         border: none;
     }
     :focus-within {
         border: 2px solid green;
     }
 </style>
 </head>
 <body>
     <div>
         <input form="form" id="input" autofocus>
     </div>
     <div>
         Foo
     </div>
     <div>
         Bar
     </div>
 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<head>
	<style>
	* {
	border: none;
	}
	:focus-within {
	border: 2px solid green;
	}
	</style>
	</head>
	<body>
	<div>
	<input form="form" id="input" autofocus>
	</div>
	<div>
	Foo
	</div>
	<div>
	Bar
	</div>
	</body>
	</html>