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Summary

By · Reviewed & last updated · Part of Tailwind CSS Tutorial

Wrapping up the Tailwind track with what you can ship and where to go next.

What you learned + v4 theme

EXAMPLE
# Tailwind summary

You can now:

- Build mobile-first layouts with flex + grid
- Apply state variants (hover, focus-visible, group, peer)
- Theme via tokens (v3 extend or v4 @theme)
- Implement dark mode by class
- Respect accessibility - focus rings, sr-only, prefers-reduced-motion
- Use plugins (forms, typography, aspect-ratio) effectively
- Extract components only when reuse demands it
- Keep Lighthouse 90+ on real projects

# Your next step - v4 theme tokens

/* app.css */
@import 'tailwindcss';

@theme {
  --color-brand-500: #3b82f6;
  --color-brand-900: #1e3a8a;
  --font-sans: 'Inter Variable', system-ui, sans-serif;
  --radius-card: 0.75rem;
  --shadow-card: 0 1px 3px rgb(0 0 0 / 0.1), 0 1px 2px rgb(0 0 0 / 0.06);
}

/* Now use as utilities */
<button class='bg-brand-500 hover:bg-brand-900 text-white rounded-card shadow-card'>
  Sign up
</button>

/* Dark mode by class */
[data-theme='dark'] {
  --color-brand-500: #60a5fa;
}

Why it matters

Tailwind rewards mobile-first + utility-first + theme tokens. The Prettier plugin removes most class-order PR comments; cva structures variants typed-end-to-end. v4 is faster, simpler, and the right default for new projects.

Tip: Tweak the snippet with Try it Yourself », then sit the quiz at the bottom of the page.

Example

Example
<!-- Next: design tokens, theme switching, headless UI libraries. -->
Try it Yourself »

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