About
This skill empowers Claude to author high-quality CSS by enforcing professional standards like Single Responsibility, Immutable CSS, and the Open/Closed principle. It provides a comprehensive framework for managing specificity, choosing between relative (rem) and absolute (px) units, and implementing layout algorithms effectively. Whether you are refactoring legacy stylesheets or building a modern design system, this skill ensures your styles are scalable, accessible, and free from common pitfalls like deep nesting or reactive !important rules.