change columns order

@media(max-width: 980px) {
    .custom_section .et_pb_row {
        display: grid;
    }
    .custom_section .et_pb_row .et_pb_column:first-child {
        order: 2;
    }
    .custom_section .et_pb_row .et_pb_column:last-child {
        order: 1;
    }
}