.d3SimpleGauge {
  cursor: pointer;
}
.d3SimpleGauge .background {
  fill: transparent;
}
.d3SimpleGauge .showHover {
  opacity: 0;
}
.d3SimpleGauge .primaryLabels > text {
  text-anchor: middle;
}
.d3SimpleGauge .secondaryLabels > text {
  text-anchor: middle;
  fill: #f9a535;
}
.d3SimpleGauge .showHover, .d3SimpleGauge .hideHover {
  -webkit-transition: opacity .3s ease-in-out;
  -moz-transition: opacity .3s ease-in-out;
  -o-transition: opacity .3s ease-in-out;
  transition: opacity .3s ease-in-out;
}
.d3SimpleGauge:hover .hideHover {
  opacity: 0;
}
.d3SimpleGauge:hover .showHover {
  opacity: 1;
}