.popover {
  position: absolute;
  color: white;
  background-color: black;
  border-radius: 4px;
  line-height: 16px;
  top: 0px;
  min-width: max-content;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  padding: 4px 12px;
}
.popover::after {
  content: '\25BC';
  color: black;
  position: absolute;
  bottom: -11px;
  left: 4px;
}