*,*:before,*:after{box-sizing:border-box}body{margin:0;background:#f8f7f4}input[type=range]{width:100%;cursor:pointer}button{cursor:pointer;background:transparent;border:.5px solid rgba(0,0,0,.2);border-radius:6px;padding:5px 11px;font-size:12px}button:hover{background:#0000000d}button:disabled{opacity:.4;cursor:not-allowed}