/* For entering */
.inbox-enter {
  opacity: 0;
}

.inbox-enter.inbox-enter-active {
  opacity: 1;
  transition: opacity 110ms;
}

/* For exiting */
.inbox-exit {
  opacity: 1;
}

.inbox-exit.inbox-exit-active {
  opacity: 0;
  transition: opacity 110ms;
}