The two possible values for CSS 2.1 font-variant are already included.
("elevation" angle "below" "level" "above" "higher" "lower")
("empty-cells" "show" "hide")
("float" "left" "right" "none")
- ("font" font-style font-variant font-weight font-size "/" line-height
+ ("font" font-style font-weight font-size "/" line-height
font-family "caption" "icon" "menu" "message-box" "small-caption"
"status-bar" "normal" "small-caps"
;; CSS3