CSS-wide keywords (initial, inherit, unset, revert, revert-layer) should be allowed whatever the syntax is.
<rdar://problem/103357146>
Pull request: https://github.com/WebKit/WebKit/pull/7614
Committed 257873@main (b957d5f5e295): <https://commits.webkit.org/257873@main> Reviewed commits have been landed. Closing PR #7614 and removing active labels.