.fade-in {
  animation: fadeIn 0.6s ease;
}
.post-list-item,
.post-gallery-item {
  transition: opacity $transition-duration ease;
}
.post-list-item:hover,
.post-gallery-item:hover {
  opacity: 0.85;
}
@-moz-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@-o-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}