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	<meta charset="utf-8">
	<title>
		CSS Values and Units Test:
		Viewports units are supported in @viewport rules
	</title>
	<meta content="
		Viewports units are supported in @viewport rules
	" name="assert">

	<link href="mailto:fremycompany.developer@yahoo.fr" rel="author" title="François REMY">

	<link href="http://www.w3.org/TR/css3-values/#viewport-relative-lengths" rel="help">
	<link href="https://drafts.csswg.org/css-device-adapt-1/#atviewport-rule" rel="help">

	<link href="reference/vh-support-atviewport-ref.htm" rel="match">

	<style type="text/css">
			html
				{
					background-color: yellow;
				}

			body
				{
					background-color: blue;
					height: 100vh;
					margin: 0;
				}

			@viewport
				{
					width: 50vw;
				}
	</style>

</head>
<body>

</body></html>