The animation-timeline CSS property specifies the timeline that is used to control the progress of a CSS animation.| MDN Web Docs
1. Introduction| drafts.csswg.org
1. Introduction| www.w3.org
1. Introduction| www.w3.org
Use the CSS animation-composition property for advanced control over how values are applied during keyframe animations.| 12daysofweb.dev
1. Introduction| drafts.csswg.org
1. Introduction| drafts.css-houdini.org
New features in the Web Animations API allow us to interact with CSS Animations and Transitions.| danielcwilson.com