#tooltip {
  position: absolute;
  background-color: #333;
  color: #fff;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 12px;
  pointer-events: none;
  display: none;
  z-index: 1000;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: underline;
}