.qo-reader {
  opacity: 0.45;
}

.qo-reader.qo-ready {
  opacity: 1;
}

.qo-word {
  display: inline;
  opacity: 0.45;
  transition: opacity 0.4s ease-out;
}

.qo-word.live { opacity: 1; }
.qo-word.done { opacity: 1; }