StyleContext (u.40249ae40c186b5e65704014cdb60535.lablgtk3.3.1.5.doc.lablgtk3.GtkData.StyleContext)

module ProviderPriority : sig ... end

val add_provider_for_screen : 
  Gdk.screen ->
  Gtk.css_provider ->
  ProviderPriority.t ->
  unit

val remove_provider_for_screen : Gdk.screen -> Gtk.css_provider -> unit

val reset_widgets : Gdk.screen -> unit

val add_provider : 
  Gtk.style_context ->
  Gtk.css_provider ->
  ProviderPriority.t ->
  unit

Does not cascade!!

val remove_provider : Gtk.style_context -> Gtk.css_provider -> unit

val add_class : Gtk.style_context -> string -> unit

val remove_class : Gtk.style_context -> string -> unit

val has_class : Gtk.style_context -> string -> bool

val list_classes : Gtk.style_context -> string list