@keyframes fadeIn {
  0% {
    opacity: 0;
    visibility: visible;
  }
  100% {
    opacity: 1;
    visibility: visible;
  }
}
@keyframes fadeOut {
  0% {
    opacity: 1;
    visibility: visible;
    height: initial;
  }
  99% {
    opacity: 0;
    visibility: hidden;
  }
  100% {
    visibility: hidden;
    display: none;
    opacity: 0;
  }
}

@mixin fadeInAnimation($duration: 250ms) {
  & {
    animation: fadeIn $duration ease 0s 1 normal forwards;
  }
}

@mixin fadeOutAnimation($duration: 150ms) {
  & {
    animation: fadeOut $duration ease 0s 1 normal forwards;
  }
}