*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:#0b0b0b}button,input,select,textarea{font:inherit}::selection{background:#111;color:#fff}@keyframes beat{0%,to{transform:scale(.8);opacity:.4}50%{transform:scale(1.8);opacity:1}}