#maintab1{
padding: 2px 0px 2px;
margin-left: 0px;
margin-right: 0px;
margin-bottom: 1px;
margin-top: 0px;
font: bold 12px Tahoma, Helvetica, sans-serif, Arial, Verdana;
list-style-type: none;
}

#maintab1 li{
display: inline;
margin: 0;
}

#maintab1 li a{
text-decoration: none;
padding: 2px 13px;
background-image: url("http://www.ilmattino.it/img/menu_bordo.gif");
background-repeat: no-repeat;
background-position: right;
color: #FFFFFF;
}

#maintab1 li a:hover {
color: #FCF4C5;
}

#maintab1 li.selected a{
color: #000000;
background: #FCF4C5;
}

#maintab1 li.selected a:hover {
color: #800807;
background: #FCF4C5;
}

#maintab1 li.spazio a{
text-decoration: none;
padding: 2px 12px;
color: #FFFFFF;
background-image: url("http://www.ilmattino.it/img/blank.gif");
}

#maintab1 li.spazio a:hover {
color: #FCF4C5;
}

#maintab1 li.selected_spazio a {
text-decoration: none;
padding: 2px 12px;
margin-right: 1px;
border: 1px solid #7499C9;
color: #3D5B82;
background: #FFFFFF;
}

#maintab2{
padding: 2px 0px;
margin-left: 3px;
margin-right: 0px;
margin-bottom: 5px;
margin-top: 2px;
font: bold 12px Tahoma, Helvetica, sans-serif, Verdana, Arial;
list-style-type: none;
}

#maintab2 li{
display: inline;
margin: 0;
}

#maintab2 li a{
text-decoration: none;
padding: 2px 22px;
border: 1px solid #94B7E5;
color: #FFFFFF;
background: #4D6F9C;
}

#maintab2 li a:hover {
color: #800807;
background: #FFFFFF;
}

#maintab2 li.selected a{ /*selected main tab style */
color: #3D5B82;
background: #FFFFFF;
}


#maintab2 li.spazio2 a{ /*  item con margin e padding differenti per compensare lo spazio*/
text-decoration: none;
padding: 2px 20px;  /* <<<<<<<<< cambia il secondo valore <<<<<<<<<<<<<<<<< */
margin-right: 0px; 
border: 1px solid #94B7E5;
color: #FFFFFF;
background: #4D6F9C;
}

#maintab2 li.selected_spazio2 a{ /*  item SELECTED con margin e padding differenti per compensare lo spazio*/
text-decoration: none;
padding: 2px 22px;
margin-right: 0px; 
border: 1px solid #94B7E5;
color: #3D5B82;
background: #FFFFFF;
}

#maintab2 li.spazio2 a:hover {
color: #800807;
background: #FFFFFF;
}

#maintab3{
padding: 2px 0px;
margin-left: 3px;
margin-right: 0px;
margin-bottom: 0px;
margin-top: 2px;
font: 12px Tahoma, Helvetica, sans-serif, Arial, Verdana;
list-style-type: none;
}

#maintab3 li{
display: inline;
margin: 0;
}

#maintab3 li a{
text-decoration: none;
padding: 2px 10px;
color: #000000;
background: #FCF4C5;
}

#maintab3 li a:hover {
color: #800807;
}

#maintab3 li.selected a{ /*selected main tab style */
font: 12px Tahoma, Helvetica, sans-serif, Arial, Verdana;
color: #CC0005;
background: #FCF4C5;
}

#maintab3 li.selected a:hover { /*selected main tab style */
font: 12px Tahoma, Helvetica, sans-serif, Arial, Verdana;
color: #800807;
background: #FCF4C5;
}