*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;background:#1e1e1e;color:#d4d4d4;font-family:Segoe UI,system-ui,sans-serif;font-size:13px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1e1e1e}::-webkit-scrollbar-thumb{background:#424242;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}