.chart {
  margin: 0 auto;
  width: 250px;
  height: 250px;
  position: relative;
  display: inline-block;
}
.doughnutTip {
  position: absolute;
  float: left;
  min-width: 30px;
  max-width: 300px;
  padding: 5px 15px;
  border-radius: 1px;
  background: rgba(0,0,0,.8);
  color: #ddd;
  font-size: 13px;
  text-shadow: 0 1px 0 #000;
  text-transform: uppercase;
  text-align: left;
  line-height: 1.3;
  letter-spacing: .06em;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
  transform: all .3s;
  pointer-events: none;
}
.doughnutTip:after {
  position: absolute;
  left: 50%;
  bottom: -6px;
  content: "";
  height: 0;
  margin: 0 0 0 -6px;
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
  border-top: 6px solid rgba(0,0,0,.7);
  line-height: 0;
}
.doughnutSummary {
  position: absolute;
  top: 50%;
  left: 50%;
  color: #49705e;
  text-align: center;
  text-shadow: 0 -1px 0 #111;
  cursor: default;
}
.doughnutSummaryTitle {
  position: absolute;
  top: 50%;
  width: 100%;
  margin-top: -27%;
  font-size: 14px;
  letter-spacing: .05em;
}
.doughnutSummaryNumber {
  display: none;
  position: absolute;
  top: 50%;
  width: 100%;
  margin-top: -15%;
  font-size: 55px;
}
.chart path:hover { 
  opacity: .85; 
}