.panel_left {
    width: calc(35% - 20px);
    margin-left: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    float: left;
}

.panel_left .chart_container {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    margin-bottom: 20px;
}

.panel_left .chart_container .chart_title {
    height: 30px;
    line-height: 30px;
}

.panel_left .chart_container .chart_body {
    width: 100%;
    height: calc(25vh - 105px);
}
