#menu{
margin:0;
padding:0;
width:672px;
height:40px;
}

#menu ul{
padding:0;
margin:0;
}
#menu li{
position: relative;
float: left;
list-style: none;
margin: 0;
padding:0;
}
#menu li a{
width:168px;
height: 40px;
display: block;
text-decoration:none;
text-align: center;
line-height: 40px;
font-weight: bold;
font-size: 12px;
}
#menu li a:hover{
background-position: bottom center;
}
#menu ul ul{
position: absolute;
top: 40px;
width: 168px;
visibility: hidden;
}
#menu ul li:hover ul{
visibility:visible;
}
a.blu{
background: url(Nuncas/blu.jpg) no-repeat top center;
color: #ffffff;
font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
line-height:18px;

}
a.blu_2righe{
background: url(Nuncas/blu.jpg) no-repeat top center;
color: #ffffff;
font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
line-height:15px !important;
height:35px !important; 
padding-top:5px !important;
}
a.blu2{
background: url(Nuncas/blu.gif) no-repeat top center;
color: #ffffff;
font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
}