.treeview ul{ /*CSS for Simple Tree Menu*/
margin: 0;
padding: 0;
}

.treeview li{ /*Style for LI elements in general (excludes an LI that contains sub lists)*/
list-style-type: none;
padding-left: 15px;
margin-bottom: 3px;
/*background: transparent url('../images/plus.gif') no-repeat left 3px;*/
font-weight: bold;
}

.treeview li ul li,
.treeview li ul li ul li { background: transparent url('../images/lay-submnu-arrow.png') no-repeat 5px 1px; font-weight: normal; padding-left: 22px; }

.treeview li.submenu{ /* Style for LI that contains sub lists (other ULs). */
background: transparent url('../images/plus.gif') no-repeat left 3px;
cursor: hand !important;
cursor: pointer !important;
}

.treeview li.submenu ul{ /*Style for ULs that are children of LIs (submenu) */
display: none; /*Hide them by default. Don't delete. */
}

.treeview .submenu ul li{ /*Style for LIs of ULs that are children of LIs (submenu) */
cursor: default;
}