change order of columns on mobile

@media (max-width: 481px){
    .rtl .et_pb_row_4col.wpc-rtl {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
    }
    .rtl .et_pb_row_4col.wpc-rtl .et_pb_column_1_4:first-child {
        -webkit-box-ordinal-group: 5;
        -ms-flex-order: 4;
        order: 4;
        margin-bottom: 0;
    }
    .rtl .et_pb_row_4col.wpc-rtl .et_pb_column_1_4:nth-child(3) {
        -webkit-box-ordinal-group: 4;
        -ms-flex-order: 3;
        order: 3;
    }
    .rtl .et_pb_row_4col.wpc-rtl .et_pb_column_1_4:nth-child(2) {
        -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
        order: 2;
    }
    .rtl .et_pb_row_4col.wpc-rtl .et_pb_column_1_4:nth-child(4) {
        -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
        order: 1;
        margin: 0 0 30px 0;
    }
}