body{
    background:  slategray /*#d4d4d4*/;
}
#page{
    width: 95%;
    margin-top: 20px;
    border: 1px black solid;
    -moz-border-radius: 7px;
    -webkit-border-radius: 7px;
    padding: 10px;
}
#content .columnaunica{
    border: 1px solid gray;
}