web-animations/responsive/resources/block.html - external/github.com/web-platform-tests/wpt - Git at Google

 <!DOCTYPE html>
 <style>
   .testBlock {
     width: 100px;
     height: 100px;
     background: #00cc66;
     border-top: 50px solid #ffff00;
   }
 </style>
 <div class="testBlock" id="testBlock"></div>
	<!DOCTYPE html>
	<style>
	.testBlock {
	width: 100px;
	height: 100px;
	background: #00cc66;
	border-top: 50px solid #ffff00;
	}
	</style>
	<div class="testBlock" id="testBlock"></div>