third_party/blink/web_tests/display-lock/lock-before-append/acquire-timeout-expected.html - chromium/src - Git at Google

 <!doctype HTML>

 <style>
 #container {
   contain: content;
   width: 100px;
   height: 100px;
   background: lightblue;
 }
 </style>
 <div id="log">PASS if container is visible</div>
 <div id="container"></div>
	<!doctype HTML>

	<style>
	#container {
	contain: content;
	width: 100px;
	height: 100px;
	background: lightblue;
	}
	</style>
	<div id="log">PASS if container is visible</div>
	<div id="container"></div>