.columnlayout {
    display: flex;
    flex-direction: column;
}

@media (min-width: 720px) {
    .columnlayout {
        flex-direction: row;
    }

    .columnlayout.columnlayout--children-vertical-top {
        align-items: flex-start;
    }

    .columnlayout.columnlayout--children-vertical-center {
        align-items: center;
    }

    .columnlayout.columnlayout--children-vertical-bottom {
        align-items: flex-end;
    }
    
    .columnlayout__column {
        flex: 1;
        margin-left: var(--tHspacingSmall);
        margin-right: var(--tHspacingSmall);
    }
    
    .columnlayout__column.columnlayout__column--weight-1 {
        flex: 1 1 0;
    }
    .columnlayout__column.columnlayout__column--weight-2 {
        flex: 2 1 0;
    }
    .columnlayout__column.columnlayout__column--weight-3 {
        flex: 3 1 0;
    }
}