KEYFRAMES TOKENS: STANDARDIZING ANIMATION ACROSS PROJECTS

Summary from the TLDR Design newsletter

CSS animation keyframes are consolidated into reusable "keyframes tokens" stored in a shared stylesheet, similar to design tokens for colors and spacing. This approach uses CSS custom properties to create flexible, dynamic animations that eliminate code duplication and global scope conflicts, while maintaining consistency across projects. The system supports animation composition and treats animations as part of the design language rather than scattered one-off effects.