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Test Info:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS Conditional Test: Disjunction token `or` should not immediately precede its following opening paren.</title>
<link rel="author" title="Fabien Basmaison" href="https://arkhi.org/">
<link rel="match" href="at-supports-001-ref.html">
<meta name="flags" content="invalid">
<meta name="assert" content="This tests that the `or` token requires at least one whitespace on its right hand. A string followed immediately by an opening paren is reserved for the functional notation syntax.">
<style>
div {
background-color: green;
height: 100px;
width: 100px;
}
@supports ( ( background-color: red ) or( background-color: green ) ) {
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>