<!doctype html>
<head>
	<title>CSS Test (Conditional Rules): Validity of namespaces in @supports</title>
	<link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
	<link rel="help" href="https://www.w3.org/TR/css-conditional-3/#contents-of">
	<link rel="help" href="https://www.w3.org/TR/css-conditional-3/#use">
	<link rel="help" href="https://www.w3.org/TR/css-namespaces/">
	<link rel="help" href="https://www.w3.org/TR/CSS2/generate.html#content">
	<link rel="help" href="htt