
Css Animations
When you need CSS keyframe animations to play nicely with HyperFrames' deterministic seeking and preview system, this adapter is the bridge. It finds elements with animation-name, grabs their WAAPI handles when available, and falls back to the negative animation-delay trick for environments that don't expose them. Works great for decorative loops, shimmer effects, and simple entrances where spinning up a full GSAP timeline feels heavy. The main gotcha is avoiding infinite animations unless you've confirmed WAAPI support, since the fallback can't represent unbounded duration. Includes stagger patterns using CSS custom properties and clear guidance on what belongs in CSS versus a proper timeline.
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- 65
- skills.sh installs
- 72.3K
- GitHub stars
- 81.8K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add heygen-com/hyperframes --skill css-animations --agent claude-codeInstalls into .claude/skills of the current project.
Files
When you need CSS keyframe animations to play nicely with HyperFrames' deterministic seeking and preview system, this adapter is the bridge. It finds elements with animation-name, grabs their WAAPI handles when available, and falls back to the negative animation-delay trick for environments that don't expose them. Works great for decorative loops, shimmer effects, and simple entrances where spinning up a full GSAP timeline feels heavy. The main gotcha is avoiding infinite animations unless you've confirmed WAAPI support, since the fallback can't represent unbounded duration. Includes stagger patterns using CSS custom properties and clear guidance on what belongs in CSS versus a proper timeline.
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Details
- Repository
- github.com/heygen-com/hyperframes
- Categories
- Frontend Development, Design & UI/UX
- First seen
- May 16, 2026
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