*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%;overflow:hidden;background:#1e1e1e;color:#ccc;font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#444;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#666}::selection{background:#264f78}