OptionalapplyElement to apply the animation to, if applyToElement is not set. Default to 'intermediate'.
'wrapper': will apply the animation directly on the wrapper.
'intermediate': will apply the animation on a new wrapper inserted between the main wrapper and the element.
'element': will apply the animation directly on the animated element.
OptionalapplyElement to apply the animation to. If not set, will use applyTo.
Keyframes of the animation.
Extra animation to apply to another element while main animation is played. Will have the same duration.