Scrollbar

/* Keyword values */
scroll-behavior: auto;
scroll-behavior: smooth;

/* Global values */
scroll-behavior: inherit;
scroll-behavior: initial;
scroll-behavior: revert;
scroll-behavior: revert-layer;
scroll-behavior: unset;

/* Keyword values */
scrollbar-width: auto;
scrollbar-width: thin;
scrollbar-width: none;

/* Global values */
scrollbar-width: inherit;
scrollbar-width: initial;
scrollbar-width: revert;
scrollbar-width: revert-layer;
scrollbar-width: unset;

/* Initial value */
scrollbar-gutter: auto;

/* "stable" keyword, with optional modifier */
scrollbar-gutter: stable;
scrollbar-gutter: stable both-edges;

/* Global values */
scrollbar-gutter: inherit;
scrollbar-gutter: initial;
scrollbar-gutter: revert;
scrollbar-gutter: revert-layer;
scrollbar-gutter: unset;

/* Keyword values */
scrollbar-color: auto;

/* <color> values */
scrollbar-color: rebeccapurple green; /* Two valid colors.
The first applies to the thumb of the scrollbar, the second to the track. */

/* Global values */
scrollbar-color: inherit;
scrollbar-color: initial;
scrollbar-color: revert;
scrollbar-color: revert-layer;
scrollbar-color: unset;