CSS Feature Support Checker
Test CSS feature support on any browser - smart TVs, embedded devices, and non-standard environments.
Scrolling & Overflow
Advanced scroll behavior, snap points, and overflow control for smooth scrolling experiences.
- ⏳ scroll-snap-type
Define scroll snapping behavior for containers.
scroll-snap-type: y mandatoryMDN - ⏳ scroll-snap-align
Control alignment of snap positions.
scroll-snap-align: startMDN - ⏳ scroll-snap-stop
Force scroll container to stop at snap points.
scroll-snap-stop: alwaysMDN - ⏳ scroll-behavior
Enable smooth scrolling animations.
scroll-behavior: smoothMDN - ⏳ scroll-margin
Define scroll snap area margins.
scroll-margin: 1remMDN - ⏳ scroll-padding
Define scroll container padding for snap positioning.
scroll-padding: 1remMDN - ⏳ overscroll-behavior
Control scroll chaining and bounce effects.
overscroll-behavior: containMDN - ⏳ scrollbar-color
Customize scrollbar colors.
scrollbar-color: red blueMDN - ⏳ scrollbar-width
Control scrollbar width or hide scrollbars.
scrollbar-width: thinMDN - ⏳ scrollbar-gutter
Reserve space for scrollbars to prevent layout shifts.
scrollbar-gutter: stableMDN - ⏳ overflow-clip-margin
Extend clipping bounds beyond content box.
overflow-clip-margin: 10pxMDN