QuantumCSS - Advanced Utility-First CSS Framework

🚀 Advanced Features

Modern CSS Properties

Uses CSS Custom Properties, logical properties, and modern features for better performance and maintainability.

container-type: inline-size;
container-name: sidebar;

Container Queries

Query container elements instead of viewport for truly component-driven responsive design.

@container (min-width: 640px) { }

Smart Dark Mode

Automatic dark mode detection with manual override support and customizable color schemes.

@media (prefers-color-scheme: dark)

Component Utilities

Pre-built component classes for buttons, cards, modals, forms, and more with consistent design system.

btn btn-primary btn-lg

🎨 Core Utilities

Color System

Primary

Success

Warning

Error

Secondary

Spacing Scale

1

2

3

4

6

8

Typography Scale

text-xs: The quick brown fox

text-sm: The quick brown fox

text-base: The quick brown fox

text-lg: The quick brown fox

text-xl: The quick brown fox

text-2xl: The quick brown fox

text-3xl: The quick brown fox

🧩 Component Library

Buttons

Form Elements

Badges

Primary Secondary Success Warning Error

Alerts

Success message goes here

Warning message goes here

Error message goes here

Info message goes here

Progress Bars

Toggle Switch

📱 Responsive Design

Mobile First

Responsive utilities start with mobile-first approach

Breakpoint Variants

Changes color based on screen size

Container Queries

Modern container-based responsiveness

🎮 Interactive Playground

Try the Utilities Live

Interactive Button States

Interactive Cards

Hover Me

Card with hover effects

Gradient Card

Beautiful gradient background

Tab Component

First Tab Content

This is the content of the first tab. QuantumCSS provides powerful tab components out of the box.

Second Tab Content

This is the content of the second tab. All components are fully customizable and responsive.

Third Tab Content

This is the content of the third tab. Built with modern CSS and best practices.

Accordion Component

What is QuantumCSS? ▼

QuantumCSS is an advanced utility-first CSS framework that builds upon and improves Tailwind CSS with modern features like container queries, logical properties, and component utilities.

How does it compare to Tailwind? ▼

QuantumCSS includes all Tailwind features plus additional capabilities like container queries, modern CSS properties, pre-built components, and improved developer experience.

📊 Performance & Metrics

2.3x

Faster than Tailwind

15KB

Minified gzip size

500+

Utility classes

50+

Component utilities