<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS Overflow: parsing overflow with invalid values</title> <link rel="help" href="https://drafts.csswg.org/css-overflow/#propdef-overflow"> <meta name="assert" content="overflow supports only the grammar '[ visible | hidden | clip | scroll | auto ]{1,2}'."> <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("overflow", 'none'); test_invalid_value("overflow", 'visible clip auto'); test_invalid_value("overflow-x", 'visible clip'); test_invalid_value("overflow-y", 'clip hidden'); test_invalid_value("overflow-block", 'hidden scroll'); test_invalid_value("overflow-inline", 'scroll auto'); </script> </body> </html>