@supports not selector(::-webkit-scrollbar){div{scrollbar-color:#fff7 transparent;scrollbar-width:thin}}::-webkit-scrollbar{width:16px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#fff7 padding-box content-box;border-left:3px solid #0000;border-right:3px solid #0000;border-radius:20px}::-webkit-scrollbar-thumb:hover{background:#fff9 padding-box content-box;border-left:3px solid #0000;border-right:3px solid #0000;border-radius:20px}