/* piechart common */
ul.contents li {
    position: relative;
}
.piechart div.subway-icon {
    height: 100%;
    top: 0;
}
.piechart div.pipe {
    background-color: #eeeeee;
    height: 101%;
    position: absolute;
    z-index: -1;
}
.pipe.learned {
    background-color: #FFCC66 !important;
}
.piechart div.subway-icon img {
    border-radius: 50%;
}

/* piechart large */
.piechart.large div.subway-icon {
    width: 114px;
}
.piechart.large div.subway-icon .percent {
    top: 8px; left: 8px;
    border: none;
}
.piechart.large div.subway-icon div {
    width: 114px; height: 114px;
    background-color: #fff;
    border-radius: 50%;
}

/* piechart small */
ul.contents.small li {
    height: 70px;
}
.piechart.small div.subway-icon {
    position: absolute;
    width: 48px;
}
.piechart.small div.pipe {
    width: 4px;
    top: 0px; right: auto; bottom: auto; left: 25px;
}
.piechart.small div.subway-icon .percent {
    top: 4px; left: 4px;
}
.piechart.small div.subway-icon img {
    width: 42px; height: 42px;
    border: solid 1px #fff;
}