For Chrome, Edge, Safari, and Opera (WebKit browsers), you can use a set of pseudo-elements like ::-webkit-scrollbar, ::-webkit-scrollbar-thumb, and ::-webkit-scrollbar-block blast track to finely control the appearance of different parts of the scrollbar (width, background, border-radius, etc.).
For Chrome, Edge, Safari, and Opera (WebKit browsers), you can use a set of pseudo-elements like ::-webkit-scrollbar, ::-webkit-scrollbar-thumb, and ::-webkit-scrollbar-[block blast][1] track to finely control the appearance of different parts of the scrollbar (width, background, border-radius, etc.).
[1]: https://blockblast.org