css/css-highlight-api/painting/custom-highlight-painting-iframe-004-ref.html - external/github.com/web-platform-tests/wpt - Git at Google

 <!DOCTYPE html>
 <meta charset="UTF-8">
 <style>
   #span-doc {
     color: green;
     background-color: greenyellow;
   }
 </style>
 <body>
 <iframe
   id="iframe"
   srcdoc="<span id='span-iframe'>abc</span>"
   >
 </iframe>
 <br>
 <span id="span-doc">abc</span>
	<!DOCTYPE html>
	<meta charset="UTF-8">
	<style>
	#span-doc {
	color: green;
	background-color: greenyellow;
	}
	</style>
	<body>
	<iframe
	id="iframe"
	srcdoc="<span id='span-iframe'>abc</span>"
	>
	</iframe>
	<br>
	<span id="span-doc">abc</span>