<!DOCTYPE html>
<html><head>
<meta charset="utf-8">
<title>
CSS Values and Units Test:
Viewport units are supported inside calc expressions.
</title>
<meta content="
Check that viewport units add correctly to pixels in calc() expressions
" 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="http://www.w3.org/TR/css3-values/#calc-notation" rel="help">
<link href="reference/all-green.htm" rel="match">
<style type="text/css">
html, body { margin: 0px; padding: 0px; }
html { background: red; }
#target { position: absolute; background: green; width: calc(100vw + 50px); height: calc(100vh + 50px); top: -50px; left: -50px; }
</style>
</head>
<body>
<div id="target"></div>
</body></html>