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<!doctype html>
<html>
<head>
<title>CSS Test (Conditional Rules): In @supports, parens are required to mix conjunctions with disjunctions</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="author" href="http://opera.com" title="Opera Software ASA">
<link rel="match" href="at-supports-001-ref.html">
<meta name="flags" content="invalid">
<style>
div{
background-color:red;
height:100px;
width:100px;
}
@supports (margin:0) { div { background-color:green; } }
@supports ((margin: 0) and (display: inline) or (width:1em)) {
div { background-color:red; }
}
</style>
</head>
<body>
<p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
<div></div>
</body>
</html>