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animation-motion

Implement accessible CSS animations and transitions with reduced motion support.

4|Updated Jan 13, 2026
Search Tags:#performance#accessibility#css#animation#transitions#motion design
One-click install
npx skills add https://github.com/ProfPowell/vanilla-breeze --skill animation-motion-profpowell
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: animation-motion
Source: https://github.com/ProfPowell/vanilla-breeze/tree/main/.claude/skills/animation-motion
Command: npx skills add https://github.com/ProfPowell/vanilla-breeze --skill animation-motion-profpowell

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you implement CSS animations and transitions that are purposeful, performant, and crucially, accessible by respecting user preferences for reduced motion.

Core Features & Use Cases

  • Accessible Animations: Ensures animations are disabled or replaced with subtle alternatives for users who prefer reduced motion.
  • Performance Optimization: Guides the use of compositor-only properties (transform, opacity) to avoid layout thrashing.
  • Use Case: Add a subtle fade-in effect to elements as they enter the viewport, ensuring it's smooth for most users but instantly appears for those who have reduced motion enabled in their system settings.

Quick Start

Implement a fade-in animation for elements with the class 'animate-in', respecting reduced motion preferences.

Frequently Asked Questions about animation-motion

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create CSS animations that respect reduced motion preferences?▼

To create accessible CSS animations, you should provide subtle alternatives or disable transitions entirely for users with reduced motion enabled. This ensures purposeful and respectful motion design without excluding users based on system settings.

What are the best CSS properties to use for performant animations?▼

For performant CSS animations, you should limit changes to compositor-only properties like transform and opacity. This prevents layout thrashing and ensures smooth rendering during entrance, loading, and micro-interaction effects.

How do I add a fade-in entrance animation when elements enter the viewport?▼

You can implement a fade-in entrance animation by applying CSS transitions to elements as they enter the viewport. This pattern ensures smooth rendering for standard users while instantly appearing for those with reduced motion enabled.

Can I use CSS transitions for loading indicators without hurting accessibility?▼

Yes, CSS transitions can animate loading indicators accessibly by providing compositor-safe properties for smooth performance and substituting instant state changes for users who prefer reduced motion.

Why do my CSS animations cause layout thrashing and jank?▼

CSS animations cause layout thrashing when they animate properties that trigger reflow. Restricting animations to compositor-only properties like transform and opacity avoids this performance bottleneck and ensures smooth rendering.

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