div.tree-child{background:url(../../../../misc/tree.png) no-repeat 11px 50%}div.tree-child-last{background:url(../../../../misc/tree-bottom.png) no-repeat 11px 50%}[dir=rtl] div.tree-child,[dir=rtl] div.tree-child-last{background-position:-65px}div.tree-child-horizontal{background:url(../../../../misc/tree.png) no-repeat -11px 50%}