Creating Fast and Responsive Gauges with Pure CSS

A pure CSS solution to create pretty, fast and responsive bar gauges which can be used for counter, progress bar, or anything else.

How to use it:

Build the Html structure for the gauge.

<div class="container">
  <div class="gauge-a"></div>
  <div class="gauge-b"></div>
  <div class="gauge-c"></div>
  <div class="gauge-data">
    <h1 id="percent">0%</h1>
  </div>
</div>

The required CSS styles.

.container {
  width: 400px;
  height: 200px;
  position: absolute;
  top: 30%;
  left: 50%;
  overflow: hidden;
  text-align: center;
  transform: translate(-50%, -50%);
}
.gauge-a {
  z-index: 1;
  position: absolute;
  background-color: rgba(255,255,255,.2);
  width: 400px;
  height: 200px;
  top: 0%;
  border-radius: 250px 250px 0px 0px;
}
.gauge-b {
  z-index: 3;
  position: absolute;
  background-color: #222;
  width: 250px;
  height: 125px;
  top: 75px;
  margin-left: 75px;
  margin-right: auto;
  border-radius: 250px 250px 0px 0px;
}
.gauge-c {
  z-index: 2;
  position: absolute;
  background-color: #5664F9;
  width: 400px;
  height: 200px;
  top: 200px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 0px 0px 200px 200px;
  transform-origin: center top;
  transition: all 1.3s ease-in-out;
}
.container:hover .gauge-c {  transform:rotate(.5turn);
}
.container:hover .gauge-data { color: rgba(255,255,255,1); }
.gauge-data {
  z-index: 4;
  color: rgba(255,255,255,.2);
  font-size: 1.5em;
  line-height: 25px;
  position: absolute;
  width: 400px;
  height: 200px;
  top: 90px;
  margin-left: auto;
  margin-right: auto;
  transition: all 1s ease-out;
}