.comment-container {
    opacity: 1;
}

.comment-enter {
  opacity: 0.01;
}

.comment-enter.comment-enter-active {
  opacity: 1;
  transition: opacity 500ms ease-in;
}

.comment-leave {
  opacity: 1;
  max-height:500px;
}

.comment-leave.comment-leave-active {
  opacity: 0.01;
  max-height: 1px;
  transition: opacity 500ms ease-out, max-height 500ms ease-out;
}