body, html {
    height: 100%;
}

#gaugeValue {
    background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #fafafa), color-stop(100%, #f3f3f3));
    background-image: -webkit-linear-gradient(#fafafa, #f3f3f3);
    background-image: -moz-linear-gradient(#fafafa, #f3f3f3);
    background-image: -o-linear-gradient(#fafafa, #f3f3f3);
    background-image: -ms-linear-gradient(#fafafa, #f3f3f3);
    background-image: linear-gradient(#fafafa, #f3f3f3);
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    border-radius: 3px;
    -webkit-box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
    -moz-box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
    padding: 10px;
}