@import url(http://fonts.googleapis.com/css?family=Arimo);
@import url(http://fonts.googleapis.com/css?family=Didact+Gothic);

html {
  font-family: Futura, Helvetica;
  color: white;
  background-color: #222;
}

html,
body {
  margin: 0px;
  padding: 0px;
}

.info {
  position: absolute;
  z-index: 3;
  width: 100%;
  height: 200px;
  text-align: center;
  top: 50%;
}

h1 {
  font-family: 'Didact Gothic', sans-serif;
  margin-bottom: -10px;
}

p {
  font-family: 'Arimo', sans-serif;
  font-size: 11pt;
  line-height: 14pt;
}

.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;
}