ul.nav {
  padding-left: 0px;
  margin-left: 0px;
  display:inline;
  float:left;
}
ul.nav li.invisible {
  border-bottom:1px solid #ff6600;
  float:left;
  height:31px;
  display:inline;
  width:6px;
  }
ul.nav li{
  width:120px;
  float:left;
  list-style-image:none;
  list-style-position:outside;
  list-style-type:none;
  display:inline;
  text-align:center;
}
ul.nav a{
  padding-top: 10px;
  display:block;
  font-size: 14px;
}

.inactive_tab {
  background:url(/images/share/inactive_right_tab.gif) no-repeat right top;
  border-bottom: 1px solid #ff6600;
  height:31px;
}
.inactive_tab a {
  background: url(/images/share/inactive_left_tab.gif) no-repeat left top;
  color:#666666;
  height:21px;
}
.active_tab {
  height:32px;
  background:url(/images/share/active_right_tab.gif) no-repeat right top;
}
.active_tab a {
  background: url(/images/share/active_left_tab.gif) no-repeat left top;
  color: #ff6600;
  height:22px;
}