Advanced CSS Media & Container Query Generator
Visually build responsive CSS queries with Level 4 range syntax, container support, accessibility preferences, custom breakpoints, and live preview simulation.
Query Parameters
Visual BuilderGenerated CSS Output
Advanced Query Reference Guide
Overview of modern CSS specifications including Level 4 syntax, container layouts, and accessibility hooks.
| Feature Category | Syntax Example | Description |
|---|---|---|
| Level 4 Range Syntax | @media (768px <= width <= 1024px) | Cleaner mathematical inequality syntax replacing repetitive min/max prefixes. |
| Container Queries | @container sidebar (min-width: 400px) | Styles elements based on parent container dimensions rather than viewport size. |
| Dark Mode Preference | @media (prefers-color-scheme: dark) | Automatically applies themes based on user operating system display preferences. |
| Reduced Motion | @media (prefers-reduced-motion: reduce) | Disables or minimizes intensive transitions for accessibility compliance. |
Why Use Our Advanced Generator?
Equipped with state-of-the-art CSS specifications for modern responsive engineering.
Range Syntax Support
Generate clean mathematical comparison expressions (`<=`, `>=`) introduced in Level 4 specs.
Container Queries
Build truly modular components that respond to parent container widths rather than device size.
Accessibility Preferences
Easily toggle dark mode, reduced motion, and pointer device capability constraints.
Multi-Breakpoint Suites
Output complete framework suites or dynamically add custom breakpoints with ease.
Interactive Simulator
Watch the live visual simulator frame adjust its scale and styling status based on active values.
100% Client-Side
Runs entirely in your browser with absolute data privacy and zero server latency.