#regimen_iva {
    max-width: 500px;
    width: 100%;
    overflow-x: auto;
    white-space: normal;
    word-wrap: break-word;
    min-width: 300px;
}
select.flat, select.flat option {
    color: #000 !important;
    padding: 5px;
    font-size: 12px;
}
select.flat option {
    white-space: normal;
    word-wrap: break-word;
    padding: 5px;
}
.cssextraveryfactu {
    background-color: #a0f994 !important;
}
.cssfieldveryfactu{
        max-width: 500px !important;
}