The
custom : Name -> List.Nonempty.Nonempty { selectors : List.Nonempty.Nonempty Selector, properties : List CSS.Internal.Property } -> CSS.Internal.Keyframe
fromTo : Name -> List CSS.Internal.Property -> List CSS.Internal.Property -> CSS.Internal.Keyframe
percentages : Name -> List.Nonempty.Nonempty { percentages : List.Nonempty.Nonempty CSS.Types.Percentage.Percentage, properties : List CSS.Internal.Property } -> CSS.Internal.Keyframe