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Tailwind CSS v4 utility-first styling patterns including responsive design, dark mode, and custom configuration. Use when styling with Tailwind, adding utility classes, configuring Tailwind, setting up dark mode, or customizing the theme.
Express.js framework patterns including routing, middleware, request/response handling, and Express-specific APIs. Use when working with Express routes, middleware, or Express applications.
Material-UI v7 component library patterns including sx prop styling, theme integration, responsive design, and MUI-specific hooks. Use when working with MUI components, styling with sx prop, theme customization, or MUI utilities.
Next.js 15+ App Router development patterns including Server Components, Client Components, data fetching, layouts, and server actions. Use when creating pages, routes, layouts, components, API route handlers, server actions, loading states, error boundaries, or working with Next.js navigation and metadata.
Core Node.js backend patterns for TypeScript applications including async/await error handling, middleware concepts, configuration management, testing strategies, and layered architecture principles. Use when building Node.js backend services, APIs, or microservices.
Prisma ORM patterns including Prisma Client usage, queries, mutations, relations, transactions, and schema management. Use when working with Prisma database operations or schema definitions.
Core React 19 patterns including hooks, Suspense, lazy loading, component structure, TypeScript best practices, and performance optimization. Use when working with React components, hooks, lazy loading, Suspense boundaries, or React-specific TypeScript patterns.
| name | tailwindcss |
| displayName | Tailwind CSS |
| description | Tailwind CSS v4 utility-first styling patterns including responsive design, dark mode, and custom configuration. Use when styling with Tailwind, adding utility classes, configuring Tailwind, setting up dark mode, or customizing the theme. |
| version | 1.0.0 |
Best practices for using Tailwind CSS v4 utility classes effectively.
Note: Tailwind CSS v4 (released January 2025) uses a CSS-first configuration approach. If you need v3 compatibility, tailwind.config.js is still supported.
// Flexbox
<div className="flex items-center justify-between gap-4">
<div className="flex-1">Content</div>
<div className="flex-shrink-0">Sidebar</div>
</div>
// Grid
<div className="grid grid-cols-3 gap-4">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
// Positioning
<div className="relative">
<div className="absolute top-0 right-0">Badge</div>
</div>
// Padding and Margin
<div className="p-4 m-2"> {/* padding: 1rem, margin: 0.5rem */}
<div className="px-6 py-4"> {/* padding-x: 1.5rem, padding-y: 1rem */}
<div className="mt-8 mb-4"> {/* margin-top: 2rem, margin-bottom: 1rem */}
// Space between children
<div className="space-y-4"> {/* margin-bottom on all but last child */}
<div>Item 1</div>
<div>Item 2</div>
</div>
<h1 className="text-4xl font-bold text-gray-900">Heading</h1>
<p className="text-base font-normal text-gray-600 leading-relaxed">
Paragraph text with comfortable line height.
</p>
<span className="text-sm font-medium text-blue-600">Label</span>
// Text colors
<p className="text-gray-900 dark:text-gray-100">Text</p>
// Background colors
<div className="bg-blue-500 hover:bg-blue-600">Button</div>
// Border colors
<div className="border border-gray-300">Box</div>
// Mobile-first responsive classes
<div className="w-full md:w-1/2 lg:w-1/3">
{/* Full width on mobile, half on medium screens, third on large */}
</div>
<h1 className="text-2xl md:text-4xl lg:text-6xl">
{/* Responsive text sizes */}
</h1>
<div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
{/* Responsive grid */}
</div>
<div className="container mx-auto px-4">
{/* Centered container with horizontal padding */}
</div>
<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
{/* Responsive container padding */}
</div>
<button className="px-4 py-2 bg-blue-600 text-white font-medium rounded-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed transition-colors">
Click me
</button>
// Variants
<button className="px-4 py-2 border border-gray-300 rounded-md hover:bg-gray-50">
Secondary
</button>
<div className="bg-white rounded-lg shadow-md overflow-hidden">
<img src="/image.jpg" alt="" className="w-full h-48 object-cover" />
<div className="p-6">
<h2 className="text-xl font-semibold mb-2">Card Title</h2>
<p className="text-gray-600">Card content goes here.</p>
</div>
</div>
<div className="space-y-2">
<label htmlFor="email" className="block text-sm font-medium text-gray-700">
Email
</label>
<input
type="email"
id="email"
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent"
placeholder="you@example.com"
/>
<p className="text-sm text-gray-500">We'll never share your email.</p>
</div>
<button className="bg-blue-500 hover:bg-blue-600 active:bg-blue-700 focus:ring-2 focus:ring-blue-500">
Interactive Button
</button>
<a href="#" className="text-blue-600 hover:text-blue-800 hover:underline">
Link
</a>
<div className="group">
<img src="/image.jpg" className="group-hover:opacity-75 transition-opacity" />
<p className="group-hover:text-blue-600">Hover the container</p>
</div>
<button className="disabled:opacity-50 disabled:cursor-not-allowed" disabled>
Disabled Button
</button>
/* Tailwind v4: Configure in app/globals.css */
@import "tailwindcss";
@media (prefers-color-scheme: dark) {
/* Or use class-based: .dark */
}
// Usage (same as v3)
<div className="bg-white dark:bg-gray-900 text-gray-900 dark:text-gray-100">
<h1 className="text-gray-900 dark:text-white">Title</h1>
<p className="text-gray-600 dark:text-gray-400">Description</p>
</div>
<div className="top-[117px]"> {/* Custom top value */}
<div className="bg-[#1da1f2]"> {/* Custom color */}
<div className="grid-cols-[200px_1fr]"> {/* Custom grid template */}
/* components/button.css */
.btn-primary {
@apply px-4 py-2 bg-blue-600 text-white font-medium rounded-md;
@apply hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500;
@apply disabled:opacity-50 disabled:cursor-not-allowed;
}
/* app/globals.css */
@import "tailwindcss";
@theme {
/* Custom colors */
--color-brand-50: #eff6ff;
--color-brand-100: #dbeafe;
--color-brand-900: #1e3a8a;
/* Custom spacing */
--spacing-128: 32rem;
/* Custom fonts */
--font-family-sans: 'Inter', sans-serif;
/* Custom breakpoints */
--breakpoint-3xl: 1920px;
}
// tailwind.config.js (optional in v4)
module.exports = {
content: [
'./app/**/*.{js,ts,jsx,tsx,mdx}',
'./components/**/*.{js,ts,jsx,tsx,mdx}',
],
theme: {
extend: {
colors: {
brand: {
50: '#eff6ff',
100: '#dbeafe',
900: '#1e3a8a',
}
},
spacing: {
'128': '32rem',
},
fontFamily: {
sans: ['Inter', 'sans-serif'],
},
},
},
plugins: [
require('@tailwindcss/forms'),
require('@tailwindcss/typography'),
],
}
npm install @tailwindcss/forms
npm install @tailwindcss/typography
npm install @tailwindcss/aspect-ratio
npm install @tailwindcss/container-queries
// @tailwindcss/forms
<input type="text" className="form-input rounded-md" />
// @tailwindcss/typography
<article className="prose lg:prose-xl">
<h1>Article Title</h1>
<p>Content...</p>
</article>
Tailwind v4 automatically detects and scans all template files - no content configuration needed.
Tailwind v4 delivers 3.5x faster full builds (~100ms) compared to v3 using modern CSS features like @property and color-mix().
Browser Requirements: Safari 16.4+, Chrome 111+, Firefox 128+
<div className="flex items-center justify-center min-h-screen">
<div>Centered content</div>
</div>
<header className="sticky top-0 z-50 bg-white border-b">
<nav>Navigation</nav>
</header>
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
{posts.map(post => (
<PostCard key={post.id} post={post} />
))}
</div>
<p className="truncate">This text will be truncated with ellipsis if too long</p>
<p className="line-clamp-3">This text will show max 3 lines with ellipsis</p>
For detailed information, see: