body {
  margin: 0;
  overflow: hidden;
}

.joystick-container {
  position: absolute;
  bottom: 30px;
  width: 100px;
  height: 100px;
  border: 2px solid #ccc;
  border-radius: 50%;
  background-color: rgba(200, 200, 200, 0.6);
  touch-action: none;
}
.left-joystick {
  left: 30px;
}
.right-joystick {
  right: 30px;
}