#rotateButton {
  position: absolute;
  bottom: 2vh;
  left: 50%;
  transform: translateX(-50%);
  padding: 1vh 2vh;
  border: none;
  border-radius: 0.8vw;
  background: #4CAF50;
  color: white;
  font-size: 1.6vw;
  cursor: pointer;
  display: none;
}