CSS Tutorial

Modular CSS

Modular CSS revolutionises styling by dividing it into reusable modules, enhancing maintainability and scalability.

Key Concepts:

  • Component-based CSS: Each component is a self-contained unit with clearly defined styles.
  • Namespaces: Prefix classes with a unique identifier (e.g., "component-name-") to prevent naming conflicts.
  • CSS Preprocessors: Use preprocessors like Sass or Less to abstract complex styles into reusable variables and mixins.

Practical Steps:

  • Identify Components: Divide your design into logical components (e.g., header, footer, sidebar).
  • Create Namespaces: Define unique namespaces for each component to avoid class clashes.
  • Use CSS Preprocessor Variables: Define shared styling values as variables for consistent use.
  • Extract Mixins: Create reusable style blocks (mixins) for common styles applied across components.
  • Organize CSS Files: Group similar components into separate CSS files for modular organization.

Example:

/* header.css */

.header {
  background: #f0f0f0;
  color: #000;
}

/* footer.css */

.footer {
  background: #000;
  color: #fff;
}

By following these principles, Modular CSS enables you to build complex and maintainable stylesheets with ease.