@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.5;
  }
}
@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes appear {
  from {
    opacity: 0;
    scale: 0.5;
  }
  to {
    opacity: 1;
    scale: 1;
  }
}
@keyframes fall {
    to {
      transform: translateY(110vh) rotate(360deg);
    }
  }

  @keyframes sway {
    0% { margin-left: 0; }
    50% { margin-left: 40px; }
    100% { margin-left: 0; }
  }