name: Frontend CSS description: Write and maintain CSS using consistent methodology, design systems, framework utilities, and minimal custom styles for better performance and maintainability. Use this skill when writing or modifying CSS files, style modules, Tailwind classes, styled-components, CSS-in-JS, or any styling code for UI components. Use this when applying utility classes, maintaining design tokens for colors/spacing/typography, working with CSS frameworks like Tailwind or Bootstrap, avoiding framework style overrides, optimizing CSS for production with purging/tree-shaking, or implementing responsive styling. Use this when working on .css, .scss, .module.css files or when adding className/style attributes to components.

Frontend CSS

This Skill provides Claude Code with specific guidance on how to adhere to coding standards as they relate to how it should handle frontend CSS.

When creating or editing CSS files (.css, .scss, .sass, .less, .module.css)
When applying CSS framework utility classes (Tailwind, Bootstrap, etc.) to components
When writing styled-components, CSS-in-JS, or inline styles in component files
When maintaining design tokens and design system variables (colors, spacing, typography)
When implementing consistent CSS methodology (BEM, utility-first, CSS modules)
When avoiding excessive custom CSS by leveraging framework patterns and utilities
When ensuring CSS performance through purging unused styles and tree-shaking
When adding responsive styling and breakpoint-specific styles
When working with global stylesheets or component-scoped styles
When refactoring to reduce custom CSS and align with framework conventions
When setting up CSS configuration files (tailwind.config.js, postcss.config.js)

For details, refer to the information provided in this file: frontend CSS