<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Multi-column Layout: parsing column-rule-style with invalid values</title>
<link rel="help" href="https://drafts.csswg.org/css-multicol/#propdef-column-rule-style">
<meta name="assert" content="column-rule-style supports only the <line-style> grammar 'none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset'.">
<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("column-rule-style", "auto");
test_invalid_value("column-rule-style", "double dashed");
</script>
</body>
</html>
