main {
  justify-content: end;
}
body{
  height: 100vh;
}
main .cone {
  width: 400px;
  /* z-index: 100; */
}
main .ice-creame {
  position: absolute;
  top: 0;
  width: 250px;
  border-radius: 50%;
  animation: fall 3s linear forwards;
}
@keyframes fall {
  0% {
    top: 0;
    opacity: 0;
  }
  25% {
    top: 50px;
    opacity: 0.25;
  }
  50% {
    top: 100px;
    opacity: 0.5;
  }
  75% {
    top: 150px;
    opacity: 0.75;
  }
  100% {
    top: 200px;
    opacity: 1;
  }
}