# What is Tailwind CSS?

A utility-first CSS framework where you style elements in your HTML or JSX using short class names like `flex`, `p-4`, and `text-sm`.

## In real work

Style with Tailwind CSS only. No custom CSS files. Use responsive prefixes like sm: and md: for breakpoints.

## Related terms

- [Component Library](https://prompthausapp.com/learn/component-library.md)
- [Design System](https://prompthausapp.com/learn/design-system.md)
- [shadcn](https://prompthausapp.com/learn/shadcn.md)
- [Ant Design](https://prompthausapp.com/learn/ant-design.md)
- [Radix UI](https://prompthausapp.com/learn/radix-ui.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: UI Kits
- HTML: https://prompthausapp.com/learn/tailwind-css
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407