.material-flow {
    width: 100%;
    height: auto;
}
.material-flow-chart, #imageMaterialFlow {
    width: 100%;
    height: 90vh;
}
.expand-btn button {
    width: 110px !important;
}
@media screen and (max-width: 750px) {
    .material-flow-chart, #imageMaterialFlow {
        height: auto !important;
    }
}