Direct link to the article Worlds Collide: Keyframe Collision Detection Using Style Queries

Worlds Collide: Keyframe Collision Detection Using Style Queries

Interactive CSS animations with elements ricocheting off each other seem more plausible in 2025. While it’s unnecessary to implement Pong in CSS, the increasing flexibility and power of CSS reinforce Lee's suspicion that one day it will be a lifestyle choice whether to achieve any given effect with scripting or CSS.
Lee Meyer on