CSS · Properties — CSS Overflow
scroll-marker-group
The CSS scroll-marker-group property. Initial value: none. Not inherited.
Syntax
scroll-marker-group: none | before | afterExample
Try it
Notes
Media: visual. Applies to: scrollContainers. Computed value: asSpecified.
More in this group
Learn this in the course
Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.