The scrollbar set of CSS properties is a proprietary style hook from Internet Explorer 5.5, which let designers create custom themes for the browser’s native scrollbars. Currently, it is exposed behind the -webkit vendor prefix for use in browsers using the Webkit (and Blink) rendering engine. body::-webkit-scrollbar { width: 1em; } body::-webkit-scrollbar-track { -webkit-box-shadow: inset
