.radial_progress {
    display: inline-block;
    position: relative;
    width: 1em;
    height: 1em;
    text-align: -webkit-match-parent;
    font-size: 6em;
    cursor: default;
}

.radial_progress:before {
    content: '';
    display: block;
    position: absolute;
    width: 1em;
    height: 1em;
    -moz-border-radius: .5em;
    -webkit-border-radius: .5em;
    border-radius: .5em;
    opacity: .5;
    z-index: 0;
    background: rgba(0,0,0,0.8)
}

.radial_progress:after {
    content: '';
    display: block;
    position: absolute;
    top: .1em;
    left: .1em;
    width: .8em;
    height: .8em;
    -moz-border-radius: .5em;
    -webkit-border-radius: .5em;
    border-radius: .5em;
    z-index: 1;
}

.radial_progress>#slice.gt50 {
    clip: rect(auto, auto, auto, auto);
}

.radial_progress>#slice {
    position: absolute;
    width: 1em;
    height: 1em;
    clip: rect(0px, 1em, 1em, 0.5em);
}

.radial_progress>#slice>.pie {
    position: absolute;
    border: .1em solid #3c3;
    width: .8em;
    height: .8em;
    clip: rect(0em, 0.5em, 1em, 0em);
    border-radius: .5em;
    background-color: #3c3;
}

.radial_progress>#slice>.pie.fill {
    -moz-transform: rotate(180deg) !important;
    -webkit-transform: rotate(180deg) !important;
    -o-transform: rotate(180deg) !important;
    transform: rotate(180deg) !important;
}

.radial_progress .percent {
    font-size: 0.25em;
    line-height: 1.25em;
    position: absolute;
    text-align: center;
    padding: 0.75em 1em 0.75em 0.5em;
    height: 1.5em;
    width: 1.5em;
    top: 0.5em;
    left: 0.5em;
    background: rgb(255, 255, 255);
    border-radius: 50%;
    font-weight: normal;
    z-index:2;
}