.blink {
  animation: blink 1.3s linear infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.fade-in {
  opacity: 1;
  animation: fade-in 0.4s ease-in;
}
@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.fade-out {
  opacity: 0;
  animation: fade-out 0.4s ease-out;
}
@keyframes fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}