LayoutTests/quicklook/excel.html - WebKit - Git at Google

 <!DOCTYPE html>
 <script>
     if (window.testRunner)
         testRunner.dumpDOMAsWebArchive();
 </script>
 <style>
 iframe {
     width: 100vw;
     height: 100vh;
 }
 </style>
 <iframe src="resources/excel.xlsx"></iframe>
	<!DOCTYPE html>
	<script>
	if (window.testRunner)
	testRunner.dumpDOMAsWebArchive();
	</script>
	<style>
	iframe {
	width: 100vw;
	height: 100vh;
	}
	</style>
	<iframe src="resources/excel.xlsx"></iframe>