#wb_tree span{
   margin-right: 0;
   margin-left: 5px;
}
#wb_tree ul li{
   margin-left: 0;
   margin-right: 10px;
}
#wb_tree ul ul{
   margin-left: 0;
   border-left: 0;
   margin-right: 7px;
   border-right: 1px dashed gray;
}
#wb_tree ul ul li{
   padding-left: 0;
   padding-right: 10px;
}
#wb_tree ul ul li:before{
   left: auto;
   right: -10px;
}