sig
type t =
Zero
| Em of float
| Ex of float
| Px of float
| Gd of float
| Rem of float
| Vw of float
| Vh of float
| Vm of float
| Ch of float
| Mm of float
| Cm of float
| In of float
| Pt of float
| Pc of float
type js_t = private Js.js_string Js.t
val string_of_t : CSS.Length.t -> string
val js : CSS.Length.t -> CSS.Length.js_t
val ml : CSS.Length.js_t -> CSS.Length.t
end