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