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Test Info:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>
CSS Values and Units Test:
Viewports units are supported in margin properties
</title>
<meta name="assert" content="
Viewports units are supported in margin properties
" />
<link
rel="author"
title="François REMY"
href="mailto:francois.remy.pub@outlook.com"
/ >
<link
rel="match"
href="reference/all-green.html"
/>
<style type="text/css">
html, body { margin: 0px; padding: 0px; height: 100%; }
html { background: green; }
#target { background: red; width: 100%; height: 100%; margin-left: -100vw; margin-top: -100vh; }
</style>
</head>
<body>
<div id="target"></div>
</body>
</html>