Alias.Animationval shorthand :
?duration:Css_types.Time.t ->
?delay:Css_types.Time.t ->
?direction:Css_types.AnimationDirection.t ->
?timingFunction:Css_types.TimingFunction.t ->
?fillMode:Css_types.AnimationFillMode.t ->
?playState:Css_types.AnimationPlayState.t ->
?iterationCount:Css_types.AnimationIterationCount.t ->
?name:Css_types.AnimationName.t ->
unit ->
[> `value of Css_types.Animation.animationValue ]