web-animations/animation-model/keyframe-effects/effect-value-opacity-replaced-effect-ref.html - external/w3c/web-platform-tests - Git at Google

 <!doctype html>
 <style>
 div {
   width: 100px;
   height: 100px;
   background: green;
 }
 </style>
 <div></div>
	<!doctype html>
	<style>
	div {
	width: 100px;
	height: 100px;
	background: green;
	}
	</style>
	<div></div>