.tabella
{
    margin-left: auto;
    margin-right: auto;
    background-color: #ffffff;
    border: 1px dotted #cccccc;
    padding: 15px;
    margin-bottom: 15px;
}
.riga
{
    margin-bottom: 15px;
}
/*
.riga input, .riga textarea, .riga select
{
    border-style: none none dashed none;
    border-width: 0px 0px 1px 0px;
    border-color: #bbbbbb #bbbbbb #000000 #bbbbbb;
    background-color: #FFFFCC;
    font-style: italic;
}
*/