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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/at-supports-034.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test (Conditional Rules): Incorrect syntax of supports condition</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="http://www.w3.org/TR/css3-conditional/#at-supports" title="6. Feature queries: the '@supports' rule">
<link rel="match" href="at-supports-001-ref.html">
<meta name="flags" content="invalid">
<meta name="assert" content="Each individual single supports condition must be enclosed by one opening parenthesis '(' and one closing parenthesis ')'.">
<!--
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>