.navigation-tree {
  font-size: 14px;
}
.navigation-tree li {
  list-style: none;
}
.navigation-tree li .selected {
  background-color: #d3d3d3;
  color: white;
  border-radius: 3px;
}
.navigation-tree a {
  text-decoration: none;
  cursor: default;
  padding: 4px 8px 4px 8px;
  color: #666;
  display: inline-block;
}
.navigation-tree a .add-child {
  visibility: hidden;
  cursor: pointer;
}
.navigation-tree a:hover .add-child {
  visibility: visible;
}
.navigation-tree a:hover .add-child:hover {
  text-decoration: underline;
}
.navigation-tree .tree-node-thumb {
  width: 11px;
  height: 11px;
  display: inline-block;
  background: url(/content/images/Administration/plus.png) center no-repeat;
  cursor: pointer;
}
.navigation-tree .tree-node-thumb.expanded {
  background: url(/content/images/Administration/minus.png) center no-repeat;
}
.navigation-tree .tree-node-thumb.tree-leaf {
  background: url(/content/images/Administration/tree_bullet.png) center no-repeat;
}