.gauge {
  position: relative;
  text-align: center;
}
.gauge canvas {
  display: inline-block;
  width: 200px;
  max-width: 100%;
}
.gauge-label {
  position: absolute;
  bottom: 15%;
  width: 100%;
  font-size: 24px;
  font-weight: 500;
  color: #37474f;
}
.gauge-sm canvas {
  width: 150px;
}
.gauge-sm .gauge-label {
  font-size: 18px;
}
.gauge-lg canvas {
  width: 300px;
}
.gauge-lg .gauge-label {
  font-size: 36px;
}
.donut {
  position: relative;
  text-align: center;
}
.donut canvas {
  display: inline-block;
  width: 200px;
  max-width: 100%;
}
.donut-label {
  position: absolute;
  top: 50%;
  width: 100%;
  font-size: 24px;
  font-weight: 500;
  color: #37474f;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
       -o-transform: translateY(-50%);
          transform: translateY(-50%);
}
.donut-sm canvas {
  width: 150px;
}
.donut-sm .donut-label {
  font-size: 18px;
}
.donut-lg canvas {
  width: 300px;
}
.donut-lg .donut-label {
  font-size: 36px;
}