chromium/src/third_party/blink/web_tests/fast/dom/css-insert-import-rule.html - manifest_repos/chromium_src - Git at Google

 <head>
 <style>
 @import url("resources/css-insert-import-rule-red.css");
 div {
     width: 100px;
     height: 100px;
 }
 </style>

 <script>
 document.styleSheets[0].insertRule('@import url("resources/css-insert-import-rule.css");', 0);
 </script>

 </head>
 <body>
 <div></div>
 </body>
	<head>
	<style>
	@import url("resources/css-insert-import-rule-red.css");
	div {
	width: 100px;
	height: 100px;
	}
	</style>

	<script>
	document.styleSheets[0].insertRule('@import url("resources/css-insert-import-rule.css");', 0);
	</script>

	</head>
	<body>
	<div></div>
	</body>