css_animations_1 library Null safety

CSS Animations Level 1

https://drafts.csswg.org/css-animations/

Classes

AnimationEvent
The interface represents events providing information related to animations.
AnimationEventInit
CSSKeyframeRule
The interface describes an object representing a set of styles for a given keyframe. It corresponds to the contents of a single keyframe of a @keyframes at-rule.
CSSKeyframesRule
The interface describes an object representing a complete set of keyframes for a CSS animation. It corresponds to the contents of a whole @keyframes at-rule.

Extensions

PropsAnimationEvent
PropsAnimationEventInit
PropsCSSKeyframeRule
PropsCSSKeyframesRule