.fade-in {
  animation: fade-in 300ms cubic-bezier(0.39, 0.575, 0.565, 1) both;
}
@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.fade-out {
  animation: fade-out 300ms ease-out both;
}
@keyframes fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}