#app{position:fixed;top:0;left:0;width:100%;height:100%}.joystick-base{position:absolute;bottom:2%;left:2%;width:80px;height:80px;background:#0006;border-radius:50%;touch-action:none;z-index:1000}.joystick-handle{position:absolute;width:40px;height:40px;background:#ffffffe6;border-radius:50%;transform:translate(-50%,-50%);top:50%;left:50%;touch-action:none;z-index:1001}