#exercise {
  touch-action: manipulation;
}

#exercise .overlayLayerImage {
  /* override exercise.css */
  display: block;
}

/********************** QUESTION **********************/
#exercise #translation {
  font-size: 20px;
  color: var(--grayHover);
  margin-top: 15px;
}

#exercise #topic {
  font-size: 16px;
  margin-top: 10px;
}

#exercise #topic:empty {
  display: none;
}

/********************** EXPLANATION **********************/
#exercise #explanation{
  margin: 10px 0 20px;
}