css-animations

Generate CSS keyframe animations and transitions with reduced-motion alternatives.

1|Updated Nov 18, 2025
One-click install
npx skills add https://github.com/pluginagentmarketplace/custom-plugin-css --skill css-animations
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: css-animations
Source: https://github.com/pluginagentmarketplace/custom-plugin-css/tree/main/skills/css-animations
Command: npx skills add https://github.com/pluginagentmarketplace/custom-plugin-css --skill css-animations

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This skill helps developers create engaging and performant CSS animations and transitions, ensuring a smooth and accessible user experience.

Core Features & Use Cases

  • Create CSS Animations: Design keyframe animations and transitions for various effects like fades, slides, and rotations.
  • Optimize Performance: Ensures animations run smoothly at 60fps by leveraging compositor-friendly properties.
  • Ensure Accessibility: Integrates prefers-reduced-motion for users sensitive to motion.
  • Use Case: Apply a subtle fade-in animation to elements as they enter the viewport or create a smooth slide-up effect for modal dialogs.

Quick Start

Use the css-animations skill to create a fade-in effect for a button.

Frequently Asked Questions about css-animations

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

FAQPage Schema
How do I create smooth CSS animations that maintain 60fps performance?

Smooth CSS animations at 60fps rely on compositor-friendly properties like transforms and opacity to avoid main thread blocking. This approach generates keyframe code that offloads rendering to the browser's compositor for optimal performance.

What is the best way to add accessible web animations for users with motion sensitivity?

Accessible web animations integrate the `prefers-reduced-motion` media query to provide alternative static styling. This ensures users sensitive to motion experience a safe interface without vestibular discomfort.

How do I use CSS transitions for fade and slide effects on web elements?

CSS transitions for fade and slide effects are generated by defining timing functions and applying transform properties. This creates smooth state changes, such as subtle fade-in animations or slide-up effects for modal dialogs.

When should I use CSS keyframe animations instead of transitions?

CSS keyframe animations are used instead of transitions when you need complex, multi-step sequences with specific iteration counts. Transitions are better suited for simple, reversible state changes triggered by user interaction.

Does CSS animation work with compositor-friendly properties to improve rendering performance?

Yes, CSS animation works with compositor-friendly properties like transforms to improve rendering performance. By animating these properties instead of layout-triggering ones, the browser achieves 60fps rendering without layout thrashing.