.hovering-enter {
  opacity: 0.01;
}

.hovering-enter.hovering-enter-active {
  opacity: 1;
  transition: opacity 300ms ease-in-out;
}

.hovering-leave {
  opacity: 1;
}

.hovering-leave.hovering-leave-active {
  opacity: 0.01;
  transition: opacity 500ms ease-in-out;
}