CSS Keyframe animations are so much more powerful than most developers realize. In this tutorial, I’ll show you something that completely blew my mind, a technique that makes our keyframe animations so much more reusable and dynamic! 🤯

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Josh W Comeau

CSS keyframe animations become more powerful and reusable when you omit the 'from' or 'to' blocks, allowing animations to inherit starting or ending values from the element's current state. This technique enables dynamic animations that adapt to different opacity levels and can be combined with multiple keyframe animations on the same element. Additionally, CSS custom properties can be used within keyframe definitions to create truly dynamic animations with variable values, making keyframes as flexible as CSS transitions.

Partial Keyframes • Josh W. Comeau

Link to this heading Omitting the destination

Link to this heading Animating to a dynamic value

Link to this heading Whimsical Animations ✨

Link to this heading Bonus: dynamic values in keyframe definitions