Tailwind CSS is a utility-first CSS framework that allows developers to rapidly build modern websites directly within their HTML. Instead of providing pre-designed components, Tailwind CSS offers a collection of utility classes that can be mixed and matched to style elements. This approach aims to speed up development, maintain a clean codebase, and provide fine-grained control over aesthetics. Tailwind CSS is created by Tailwind Labs. Key figures involved in the original creation include Adam Wathan, Jonathan Reinink, David Hemphill, and Steve Schoger.
Key features of Tailwind CSS include utility-first classes, responsive design with breakpoints, a mobile-first workflow, and customization via configuration files. It also boasts features like flexbox and grid utilities, easy animations and transitions, and a plugin ecosystem. Tailwind CSS is designed for modern browsers such as Chrome, Firefox, and Safari. Tailwind CSS v4.0 utilizes modern CSS features like native cascade layers and registered custom properties.
Tailwind CSS is free and open-source, licensed under MIT. While the core framework is free, Tailwind Labs also offers commercial products and services, such as Tailwind UI components and templates. There are also Tailwind CSS pricing sections and tables available for diverse pricing packages for services or products. As of December 11, 2025, the most recent stable release is version 4.1.18.