syn match cssFontProp contained "\<\(justify\|align\|place\)-\(self\|content\|items\)\>" syn match cssFontProp contained "\<\(grid-\)\=\(\(row\|column\)-\)\=gap\>" syn keyword cssFontAttr contained safe unsafe legacy syn match cssFontAttr contained "\<\(self\|flex\)-\(start\|end\)\>" syn match cssFontAttr contained "\"