#hintspot {
  width: 60px;
  height: 60px;
  margin-left: -30px;
  margin-top: -30px;

  opacity: 0.8;
  transition: opacity 0.2s;

  cursor: pointer;
}

#hintspot img {
  width: 100%;
  height: 100%;
}

#hintspot:hover {
  opacity: 1;
}