Csstype rule = {selector : Selectors.complex;declarations : (string * string) list;important : string list;}type sheet = rule listval parse : string -> sheetval specificity : Selectors.complex -> int * int * intval matches : Selectors.complex -> Dom.element list -> Dom.element -> boolval page_sheet : Dom.element -> stringval cascade : sheet -> Dom.element -> Dom.element -> (string * string) list