.chart-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;;
}
.chart {
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    width: 250px;
    height: 250px;

}
.doughnutTip {
    position: absolute;
    min-width: 30px;
    max-width: 300px;
    padding: 5px 15px;
    border-radius: 1px;
    background: rgba(0,0,0,.8);
    color: #ddd;
    font-size: 17px;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.3;
    letter-spacing: .06em;
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
    pointer-events: none;
}
.doughnutTip:after {
    position: absolute;
    left: 50%;
    bottom: -6px;
    content: "";
    height: 0;
    margin: 0 0 0 -6px;
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
    border-top: 6px solid rgba(0,0,0,.7);
    line-height: 0;
}
.doughnutSummary {
    position: absolute;
    top: 50%;
    left: 50%;
    color: #262626;
    text-align: center;
    cursor: default;
    padding: 28px 0px;
    font-weight: bold;
}
.doughnutSummaryTitle {
    width: 100%;
    font-size: 20px;
    letter-spacing: .06em;
}
.doughnutSummaryNumber {
    margin-top: -7%;
    font-size: 25px;
}
.chart path:hover { opacity: .85; }