body {
      font-family: sans-serif;
}

.tooltip {
      font-size: 0.7rem;
      background-color: white;
      border: solid white;
      border-width: 2px;
      border-radius: 5px;
      padding: 5px;
      position: absolute;
      width: 150px;
      pointer-events: none;
      webkit-box-shadow: 0px 0px 10px grey;
      moz-box-shadow:  0px 0px 10px grey;
      box-shadow: 0px 0px 10px grey;

}