
PASS @counter-style 'fallback: bar' is valid
PASS @counter-style 'fallback: "bar"' is invalid
PASS @counter-style 'fallback: none' is invalid
PASS @counter-style 'fallback: initial' is invalid
PASS @counter-style 'fallback: inherit' is invalid
PASS @counter-style 'fallback: unset' is invalid