type t = [ | `Px of int |
| `Em of int |
| `Vh of Core_kernel.Percent.t |
| `Vw of Core_kernel.Percent.t |
| `Percent of Core_kernel.Percent.t |
| css_global_values |
]include sig ... endval t_of_sexp : Base.Sexp.t ‑> tval __t_of_sexp__ : Base.Sexp.t ‑> tval sexp_of_t : t ‑> Base.Sexp.tval to_string_css : t ‑> string