css-native
Use when implementing Disney's 12 animation principles with pure CSS animations and transitions
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/dylantarre/animation-principles --skill css-native- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads css-native automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
CSS Native Animation Principles
Implement all 12 Disney animation principles using CSS animations, transitions, and transforms.
1. Squash and Stretch
@keyframes squash-stretch {
0%, 100% { transform: scaleX(1) scaleY(1); }
50% { transform: scaleX(1.2) scaleY(0.8); }
}
.ball { animation: squash-stretch 0.3s ease-in-out; }
2. Anticipation
@keyframes anticipate-jump {
0% { transform: translateY(0); }
20% { transform: translateY(10px) scaleY(0.9); } /* wind up */
100% { transform: translateY(-100px); }
}
3. Staging
.hero { z-index: 10; filter: none; }
.background { z-index: 1; filter: blur(2px); opacity: 0.7; }
4. Straight Ahead / Pose to Pose
/* Pose to pose - define keyframes explicitly */
@keyframes walk-cycle {
0% { background-position: 0 0; }
25% { background-position: -100px 0; }
50% { background-position: -200px 0; }
75% { background-position: -300px 0; }
100% { background-position: -400px 0; }
}
5. Follow Through and Overlapping Action
.character { animation: move 0.5s ease-out; }
.hair { animation: move 0.5s ease-out 0.05s; } /* slight delay */
.cape { animation: move 0.5s ease-out 0.1s; }
6. Slow In and Slow Out
.element {
transition: transform 0.4s cubic-bezier(0.42, 0, 0.58, 1);
}
/* Or use: ease-in-out, ease-in, ease-out */
7. Arc
@keyframes arc-motion {
0% { transform: translate(0, 0); }
50% { transform: translate(100px, -80px); }
100% { transform: translate(200px, 0); }
}
/* Use offset-path for true arcs */
.element { offset-path: path('M0,100 Q100,0 200,100'); }
8. Secondary Action
.button:hover {
transform: scale(1.05);
}
.button:hover .icon {
animation: wiggle 0.3s ease-in-out;
}
9. Timing
.fast { animation-duration: 0.15s; }
.normal { animation-duration: 0.3s; }
.slow { animation-duration: 0.6s; }
.dramatic { animation-duration: 1.2s; }
10. Exaggeration
@keyframes exaggerated-bounce {
0%, 100% { transform: translateY(0) scale(1); }
50% { transform: translateY(-150px) scale(0.8, 1.3); }
}
11. Solid Drawing
.element {
transform-style: preserve-3d;
perspective: 1000px;
}
.face { transform: rotateY(20deg); }
12. Appeal
.appealing {
border-radius: 50%;
box-shadow: 0 4px 20px rgba(0,0,0,0.1);
transition: all 0.3s ease;
}
.appealing:hover {
transform: scale(1.02);
box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
Timing Reference
| Action | Duration |
|---|---|
| Micro-interaction | 100-200ms |
| Button feedback | 150-300ms |
| Page transitions | 300-500ms |
| Complex animations | 500-1000ms |
Key CSS Properties
animation/@keyframestransitiontransformoffset-path(motion paths)animation-timing-functionanimation-delay
FAQ
What does the css-native skill do?
Use when implementing Disney's 12 animation principles with pure CSS animations and transitions
How do I install css-native?
Run npx skills add https://github.com/dylantarre/animation-principles --skill css-native in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/css-native/ (personal) or .claude/skills/css-native/ (project).
Which AI agents can use css-native?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is css-native safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains css-native?
It is published by dylantarre in dylantarre/animation-principles. It has 716 recorded installs.
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