css/css-values/max-unitless-zero-invalid.html

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>CSS Values and Units Test: min() with unitless 0</title>

	<meta name="assert" content="Unitless 0 isn't supported in math functions.">
	<link rel="author" title="Fuqiao Xue" href="mailto:xfq@w3.org">
	<link rel="help" href="https://drafts.csswg.org/css-values/#calc-type-checking">
	<link rel="match" href="reference/all-green.html">

	<style>
			html, body { margin: 0px; padding: 0px; }

			html { background: red; overflow: hidden; }
			#outer { position: absolute; top: 0px; left: 0px; background: green; width: 100%; }

			#outer {
				/* Assert that min() is supported */
				height: min(100%);

	 			/* The min() expression (thus the declaration) should be invalid */
				height: min(0, 100%);
			}
	</style>

</head>
<body>

	<div id="outer"></div>

</body>
</html>