styles/chartcss/_tooltip.scss

.tooltip {
  position: absolute !important;
  width: 150px;
  pointer-events: none;
  background-color: white;
  border: 1px;
  border-color: black;
  border-style: solid;
  padding: 10px;
  font-family: "Guardian Text Sans Web", "Helvetica Neue", Helvetica, Arial,
    "Lucida Grande", sans-serif;
  font-size: 12px;
  line-height: 14px;
}