.custom-gridlines.wj-flexchart .wj-axis-x .wj-tick,
.custom-gridlines.wj-flexchart .wj-axis-y .wj-tick {
    stroke: darkgreen;
}
.custom-gridlines.wj-flexchart .wj-axis-x .wj-gridline,
.custom-gridlines.wj-flexchart .wj-axis-y .wj-gridline {
    opacity: .25;
    stroke: darkgreen;
    stroke-width: 1px;
}
.custom-gridlines.wj-flexchart .wj-axis-x .wj-gridline-minor,
.custom-gridlines.wj-flexchart .wj-axis-y .wj-gridline-minor {
    opacity: .25;
    stroke: darkgreen;
    stroke-dasharray: 0;
    stroke-width: .25px;
}

.wj-tooltip {
  padding: 12px;
}
.wj-tooltip table tr td {
  text-align: right;
  padding-right: 6px;
}
.wj-tooltip table tr td:last-child {
  font-weight: bold;
}