CSS Container Query Generator

Build component-level responsive design with container queries — resize live to see @container behavior.

container-type

container-name

Breakpoint 300px

Drag the preview box to resize it (bottom-right corner) — the card layout will adjust itself based on container width, not viewport width!

100% browser-based — no data sent to any server

Resize this box →

↘ Drag bottom-right corner to resize the container

style.css