<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS basic box model: parsing visibility with invalid values</title>
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-visibility">
<meta name="assert" content="visibility supports only the grammar 'visible | hidden | collapse'.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_invalid_value("visibility", "auto");
test_invalid_value("visibility", "hidden collapse");
</script>
</body>
</html>