<!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>