What problem does it solve?
This Skill eliminates the frustration of writing inconsistent, outdated CSS by providing clear guidance on modern native CSS features, browser quirks, and cross-browser compatibility, removing the need to rely on legacy hacks and unnecessary JavaScript workarounds for common styling tasks.
Core Features & Use Cases
- Modern Native CSS Guidance: Recommendations for layout, responsive, selector, cascade, color, and motion patterns that replace legacy hacks, JavaScript class toggles, and utility sprawl.
- Cross-Browser Compatibility Support: Progressive enhancement patterns and @supports guidance to ensure styles work across target browsers while leveraging modern features where supported.
- Use Case Example: Refactor a legacy card component to use container queries for responsive layout instead of viewport media queries, or use the :has() selector to style form validation states without JavaScript class toggling.
Quick Start
Use the css skill to refactor the existing component styles to use native CSS container queries for responsive layout instead of viewport media queries.