.button9 {
  position: absolute;
  top: 72.0vh;
  right: 77.0vw;
  height: 18.0vh;
  width: auto;
  z-index: 20;
  animation: float 10s ease-in-out infinite;
  animation-delay: 1.5s;
}
.button10 {
  position: absolute;
  top: 50.0vh;
  right: 77.0vw;
  height: 18.0vh;
  width: auto;
  z-index: 20;
  animation: float 10s ease-in-out infinite;
  animation-delay: 1.5s;
}