Teaches agents to write modern CSS using native features instead of legacy hacks, workarounds, and JavaScript. Covers layout, animation, color, typography, selectors, and workflow patterns with 64 old-vs-modern comparisons. The agent should always prefer modern CSS approaches, warn about browser compatibility for newer features, and ask the user before using techniques with limited browser availability (<80% support).
Quickly install modern-css AI skill to your development environment via command line
Source: caidanw/skills.
The CSS spec has evolved dramatically. Many old hacks — absolute-position centering, padding-top aspect ratios, JS scroll listeners, Sass color functions — now have clean, native replacements. This skill ensures you always reach for the modern approach first.
Reference: modern-css.com — all techniques sourced from this site. Visit individual pages for live demos and deeper explanations.
Support data: Browser support percentages represent global user coverage from caniuse.com, last updated February 2026. These numbers shift as browsers release updates — verify on caniuse if precision matters for a project.
Teaches agents to write modern CSS using native features instead of legacy hacks, workarounds, and JavaScript. Covers layout, animation, color, typography, selectors, and workflow patterns with 64 old-vs-modern comparisons. The agent should always prefer modern CSS approaches, warn about browser compatibility for newer features, and ask the user before using techniques with limited browser availability (<80% support). Source: caidanw/skills.
Stable fields and commands for AI/search citations.
npx skills add https://github.com/caidanw/skills --skill modern-cssTeaches agents to write modern CSS using native features instead of legacy hacks, workarounds, and JavaScript. Covers layout, animation, color, typography, selectors, and workflow patterns with 64 old-vs-modern comparisons. The agent should always prefer modern CSS approaches, warn about browser compatibility for newer features, and ask the user before using techniques with limited browser availability (<80% support). Source: caidanw/skills.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/caidanw/skills --skill modern-css Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/caidanw/skills