body, header, main {
    background-color:#F9F8F7;
}

.chart {
    padding: 7.76vw 0 10.42vw;
    border-top: 1px solid #d1d1d1;
}
.chart .obj {
    width: 62.50vw;
    height: 29.01vw;
    margin-left: 15.10vw;
    padding-right: 0;
}    

@media (max-width:768px) {
    .chart {
        padding: 13.02vw 5.21vw 26.04vw;
        border-top: 1px solid #d1d1d1;
    }
    .chart .obj {
        width: 100%;
        height: 100%;
        margin: 0;
    }
}