Grazie per la risposta celere !
molto gentile

ti faccio dare uno sguardo al css che ho preparato...se mi puoi dire tu cosa secondo te non è adatto a mozilla...grazie


A {
text-decoration : none;
color: #000000;
}

A:Active {
text-decoration : none;
color: #4682b4;
}

A:Hover {
text-decoration : none;
color: #4682b4;
}

body {
background-color: #faf0e6;
margin: 0px;
height: 100%;
padding:0px;
}

#top {
text-align: center;
background-color:#faf0e6;
height: 90px;
margin: 0px;
padding: 0px;
}

#left {
position:absolute;
top: 90px;
left: 0px;
width: 120px;
background-color: #faf0e6;
height: 100%;
}

#middle {
margin:0px 0px 0px 120px;
background-color: #f5f5f5;
font: 1em sans-serif;
padding-top:2em;
padding-left:2em;
widht: auto;
height: 100%;
}

p {
text-indent: 2em;
text-align: justify
margin: 1px;
}

#middle div.immagine {
width:100px;
padding:3px;
font: .70em verdana, helvetica, sans-serif;
margin:0px 10px 10px 0px;
border:0px solid #F93;
float:left;
}
#middle div.immagine img {
border-bottom:0px solid #F93;
display:block;
padding-bottom:1px;
}

#middle div.immagine2 {
width:100px;
padding:3px;
font: .70em verdana, helvetica, sans-serif;
margin:0px 10px 10px 0px;
border:0px solid #F93;
float:right;
}
#middle div.immagine2 img {
border-bottom:0px solid #F93;
display:block;
padding-bottom:1px;
}


.menu {
font-family: sans-serif;
font-size: 10px;
color: #000000;
background-color: #faf0e6;
}

.menu a {
font-family: sans-serif;
font-size: 10px;
color: #000000;
text-decoration: none;
background-color: #faf0e6;
display: block;
width: auto;
padding: 7px;
}

.menu a:hover {
font-family: sans-serif;
font-size: 10px;
color: #4682b4;
background-color: #f5f5f5;
}


.corsi {
font-family: sans-serif;
font-size: 10px;
color: #000000;
background-color: #faf0e6;
}

.corsi a {
font-family: sans-serif;
font-size: 10px;
color: #000000;
text-decoration: none;
background-color: #faf0e6;
display: block;
width: auto;
padding: 7px;
}

.corsi a:hover {
font-family: sans-serif;
font-size: 10px;
color: #4682b4;
background-color: #f5f5f5;
}

.link {
font-family: sans-serif;
font-size: 10px;
color: #000000;
background-color: #faf0e6;
}

.link a {
font-family: sans-serif;
font-size: 10px;
color: #000000;
text-decoration: none;
background-color: #faf0e6;
display: block;
width: auto;
padding: 7px;
}

.link a:hover {
font-family: sans-serif;
font-size: 10px;
color: #4682b4;
background-color: #f5f5f5;
}


.scritte {
font-family: sans-serif;
font-size: 12px;
font-weight: bold;
color: #000000;
display:block;
background-color: #faf0e6;
}

.titolo {
font-family: sans-serif;
font-size: 14px;
font-weight: bold;
color: #000000;
display:block;
background-color: #f5f5f5;
}