Bootstrap is the most popular CSS Framework for developing responsive and mobile-first websites.

SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.

Vite is a build tool that aims to provide a faster and leaner development experience for modern web projects