AI Agent Skills

Primer is GitHub's design system. This is the CSS implementation

The standard CSS implementation of the Spectrum design language.

A design system for building faithful recreations of old UIs

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

Juice inlines CSS stylesheets into your HTML source.

Create secure and private web apps using only static JavaScript, HTML, and CSS.