.power-bar {
    height: 16px;
    position: relative;
    margin-top: 32px;
    margin-bottom: 32px;
    background-color: #c0cdd7;
}

.power-bar > div {
    right: 0;
    top: 0;
    height: 16px;
    position: absolute;
    min-width: 120px;
    text-align: right;
    font-size: 10px;
    line-height: 1em;
    padding: 3px 3px 0 0;
}

.power-bar > div:after {
    content: ' ';
    display: block;
    position: absolute;
    width: 1px;
    height: 16px;
    background-color: black;
    right: 0;
    top: 0;
}

.power-bar > div.above-1 { top: -16px; }
.power-bar > div.above-1:after { height: 32px; }
.power-bar > div.above-2 { top: -32px; }
.power-bar > div.above-2:after { height: 48px; }

.power-bar > div.inside { top: 0px; }
.power-bar > div.inside:after { height: 16px; }

.power-bar > div.below-1 { top: 16px; }
.power-bar > div.below-1:after { top: -16px; height: 32px; }
.power-bar > div.below-2 { top: 32px; }
.power-bar > div.below-2:after { top: -32px; height: 48px; }
.power-bar > div.below-3 { top: 48px; }
.power-bar > div.below-3:after { top: -48px; height: 64px; }