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<html><head>
<title>CSS Test (Conditional Rules): Incorrect syntax of supports condition</title>
<link href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" rel="author" title="Gérard Talbot">
<link href="http://www.w3.org/TR/css3-conditional/#at-supports" rel="help" title="6. Feature queries: the '@supports' rule">
<link href="reference/at-supports-001-ref.htm" rel="match">
<meta content="invalid" name="flags">
<meta content="Each individual single supports condition must be enclosed by one opening parenthesis '(' and one closing parenthesis ')'." name="assert">
<!--
supports_condition_in_parens
: ( '(' S* supports_condition ')' S* ) | supports_declaration_condition |
general_enclosed
;
-->
<style>
div
{
background-color: red;
height: 100px;
width: 100px;
}
@supports (margin: 0 or padding: 0) { div {background-color: red !important;} }
@supports (margin: 0) { div {background-color: green;} }
</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>