css.css

@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;
}