Tailwind CSS is a utility-first CSS framework for rapidly building custom designs. It provides low-level utility classes that allow you to compose any design directly in your HTML. Instead of opinionated pre-designed components, Tailwind offers granular control over styling, enabling unique and responsive interfaces. With its highly customizable configuration, Tailwind CSS is perfect for projects that require a bespoke aesthetic and precise control over their CSS. It promotes consistency and maintainability while streamlining the development process.