div.tree-child{background:url(https://18.175.87.12/core/misc/tree.png) no-repeat 11px center}div.tree-child-last{background:url(https://18.175.87.12/core/misc/tree-bottom.png) no-repeat 11px center}[dir="rtl"] div.tree-child,[dir="rtl"] div.tree-child-last{background-position:-65px center}div.tree-child-horizontal{background:url(https://18.175.87.12/core/misc/tree.png) no-repeat -11px center}