.d3-tip {
  line-height: 1.25;
  font-weight: bold;
  padding: 12px;
  background: rgba(0, 0, 0, 0.9);
  color: #fff;
    border-radius: 2px;
  pointer-events: none;
  max-width:300px;
}
.chart-info-tip {
  /*font-size:12px;*/
  font-weight:normal;
}
.chart-data-tip {
  font-size:12px;
  font-weight:normal;
}
/* Creates a small triangle extender for the tooltip */
  .d3-tip:after {
    box-sizing: border-box;
    display: inline;
    font-size: 10px;
    width: 100%;
    line-height: 1;
    color: rgba(0, 0, 0, 0.8);
    position: absolute;
    pointer-events: none;
  }
/* Northward tooltips */
  .d3-tip.n:after {
    content: "\25BC";
    margin: -1px 0 0 0;
    top: 100%;
    left: 0;
    text-align: center;
  }
/* Eastward tooltips */
  .d3-tip.e:after {
    content: "\25C0";
    margin: -4px 0 0 0;
    top: 50%;
    left: -8px;
  }
/* Southward tooltips */
  .d3-tip.s:after {
    content: "\25B2";
    margin: 0 0 1px 0;
    top: -8px;
    left: 0;
    text-align: center;
  }
/* Westward tooltips */
  .d3-tip.w:after {
    content: "\25B6";
    margin: -4px 0 0 -1px;
    top: 50%;
    left: 100%;
  }