simpleGauge.css

.gauge-wrap {
    position:relative;
    margin:50px;
    width:200px;
    height:100px;
}

.gauge-core {
    position:relative;
    overflow:hidden;
    height:inherit;
    width:inherit;
}

.gauge-wrap-before {
    position:absolute;
    width:16px;
    height:16px;
    bottom:-7px; /* 1px less to cover clipping */
    left:0px;
    clip: rect(8px, 16px, 16px, 0px);
	-webkit-border-radius:8px;
    -moz-border-radius:8px;
    border-radius:8px;
	z-index:5;
}

.gauge-wrap-after {
    position:absolute;
    width:16px;
    height:16px;
    bottom:-7px; /* 1px less to cover clipping */
    right:0px;
    clip: rect(8px, 16px, 16px, 0px);
	-webkit-border-radius:8px;
    -moz-border-radius:8px;
    border-radius:8px;
	z-index:5;
}

.gauge-bg {
    position: absolute;
    width: 200px;
    height: 200px;
	-webkit-border-radius:100px;
    -moz-border-radius:100px;
    border-radius:100px;
	z-index:0;
}

.gauge-active-wrap {
    position: absolute;
    top:0;
    left:0;
    width: 200px;
    height: 200px;
    overflow:hidden;
	-webkit-border-radius:100px;
    -moz-border-radius:100px;
    border-radius:100px;
}

.gauge-active {
    top:100px;
    position: absolute;
    width: 200px;
    height: 100px;
    overflow:visible;
	-webkit-border-radius:0px 0px 200px 200px;
	-moz-border-radius:0px 0px 200px 200px;
	border-radius:0px 0px 200px 200px;
	z-index:1;
}

.gauge-active-before {
    position:absolute;
    width:16px;
    height:16px;
    background-color: inherit;
    top:-7px; /* 1px less to cover clipping */
    left:0px;
    clip: rect(0px, 16px, 8px, 0px);
	-webkit-border-radius:8px;
    -moz-border-radius:8px;
    border-radius:8px;
	z-index:5;
}

.gauge-cap {
    position: absolute;
    top:16px;
    left:16px;
    width: 168px;
    height: 168px;
	-webkit-border-radius:84px;
    -moz-border-radius:84px;
    border-radius:84px;
	z-index:5;
}