Understanding Tailwind CSS v4

Explore the new features in Tailwind CSS v4 including the CSS-first configuration and improved performance.

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By Test User Jul 11, 2026 Technology

Understanding Tailwind CSS v4

Tailwind CSS v4 brings a new engine, improved performance, and a more intuitive API. This post covers the major changes and how to upgrade.

What’s New?

  • CSS-first configuration with the new @theme directive
  • Improved dark mode support out of the box
  • Better performance with the new engine
  • Simplified installation process

Getting Started

Getting started with Tailwind CSS v4 is easier than ever:

npm install tailwindcss @tailwindcss/vite

That is all you need to get started with v4!

Tailwind CSS v4 is a utility-first CSS framework that gives you all the building blocks you need to build custom designs.

Start using Tailwind CSS v4 in your next project and experience the improved workflow.

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