*{margin:0;padding:0;box-sizing:border-box}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-button{background:transparent;border-radius:4px}::-webkit-scrollbar-track-piece{background:transparent}::-webkit-scrollbar-thumb{border-radius:4px;background-color:#c9caca}::-webkit-scrollbar-track{box-shadow:transparent}