.chart {
    height: 250px;
    z-index: 90;
    width: 100%;
    overflow: hidden
}
.chart.chart-small {
    height: 100px
}
.chart.chart-medium {
    height: 200px
}
.chart.chart-normal {
    height: 250px
}
.chart.chart-large {
    height: 400px
}
#flotTip {
    padding: 3px 6px;
    color: #fff;
    text-align: center;
    text-decoration: none;
    background-color: #000;
    opacity: .8;
    filter: alpha(opacity=80);
    z-index: 200;
    font-size: 13px
}