ul.tree-menu {    font-size: 12px;    line-height: 16px;    font-family: tahoma;    margin: 0;    padding: 0;}ul.tree-menu li {    list-style-type: none;    margin: 0;    padding: 0;}ul.tree-menu li.section {		    padding-top: 1px;    padding-bottom: 1px;}ul.tree-menu li.section-open {		    padding-top: 1px;    padding-bottom: 1px;}ul.tree-menu li.box {    padding-top: 1px;    padding-bottom: 1px;}ul.tree-menu ul {    margin: 0 0 0 6px;    padding: 2px 0 0 0;}ul.tree-menu a {  margin-left: 2px;  color: black;  text-decoration: none;  white-space: nowrap;  font-size:8pt;}ul.tree-menu a:hover {  margin-left: 2px;  color: white;  text-decoration: none;  white-space: nowrap;  font-size:8pt;}.freccia_chiusa {	background-image: url("../img/freccia_chiusa.gif");  background-repeat: no-repeat;  background-position: 0 3;  padding-left:10px;}.freccia_aperta {	background-image: url("../img/freccia_aperta.gif");  background-repeat: no-repeat;  background-position: 0 3;  padding-left:10px;  font-weight:bold;}.link_chiuso {	background-image: url("../img/link_chiuso.gif");  background-repeat: no-repeat;  background-position: 0 3;  padding-left:10px;}.link_aperto {	background-image: url("../img/link_aperto.gif");  background-repeat: no-repeat;  background-position: 0 3;  padding-left:10px;  font-weight:bold;}