div#header {
background:#f0f0f0;
width:920px;
margin:1em auto;
text-align:left
}
div#navbar {
position:relative;
width:920px;
margin:1em auto;
margin-top:-27px;
text-align:left
}
div#corpo {
background:#f0f0f0;
position:relative;
width:920px;
margin:1em auto;
text-align:left
}
div#footer {
background:#f0f0f0;
width:920px;
margin:1em auto;
text-align:left
}
div#colonna-sx {
position:absolute;
top:0; left:0;
width:width:200px;
}
div#colonna-dx {
position:absolute;
top:0; right:0;
width:300px;
}
div#map {
margin:0 315px 0 200px;
margin-left:210px;
min-height: 270px;
}