Standard Block
This card adapts its internal flex/grid flow using Container Queries.
A declarative, high-performance architecture using Cascade Layers, CUBE methodology, and Zero-JS scroll animations.
NOTE: Chromium and Safari have fully embraced Scroll-driven Animations (SDA), Firefox currently has them behind a developer flag.
The cards below change their layout based on their container width, not the screen size.
This card adapts its internal flex/grid flow using Container Queries.
CUBE exceptions using data-attributes instead of BEM modifiers.
Notice the progress bar at the top and the "Back to Top" button appearing below. All handled by the browser's compositor thread: no JS listeners required.
Here's a paragraph in the center...