CSS Modules là gì?

File CSS scoped theo component, class names tự động unique (hash). import styles from './Button.module.css'.

• Tránh conflicts, dùng với React/Next.js.
• Compile time, không runtime overhead.

CSS files scoped to a component, with class names automatically made unique (hashed). import styles from './Button.module.css'.

• Prevents class name conflicts.
• Used with React/Next.js.
• Compile-time, no runtime overhead.