.labelling-appear {
  opacity: 0;
}

.labelling-appear.labelling-appear-active {
  opacity: 1;
  transition: opacity 500ms linear;
}

.labelling-exit {
  opacity: 1;
}

.labelling-exit.labelling-exit-active {
  opacity: 0;
  transition: opacity 500ms linear;
}

.labelling-exit-done {
  opacity: 0;
}