#announcement {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 80;
}

#wiki_id_tabletop {
  animation-name: fade_in;
  animation-duration: 3.5s;
}

@keyframes fade_in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}