.gridview
{
    margin-bottom: 0px !important;
    margin-left: 0px !important;
    margin-right: 0px !important;
    margin-top: 0px !important;
    background-color: White !important;
}

.riga
{
    background-color: Silver !important;
}

.riga_alternata
{
    background-color: #F7F7DE !important;
}