third_party/blink/web_tests/images/pdf-as-background.html - chromium/src - Git at Google

 <html>
 <body style='margin: 0px'>
 <div style='background: red; background-repeat: no-repeat; background-image: url(resources/green_rectangle.pdf); height: 100px; width: 100px'>
   &nbsp;
 </div>
 </body>
 </html>
	<html>
	<body style='margin: 0px'>
	<div style='background: red; background-repeat: no-repeat; background-image: url(resources/green_rectangle.pdf); height: 100px; width: 100px'>

	</div>
	</body>
	</html>