html,body{width:100%;height:100%;margin:0;padding:0}body{background-color:#212529;place-items:center;margin:0;display:grid}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}::-webkit-scrollbar-thumb{background:#888;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#555}