.dijitRtl .nihilo .dijitTreeContainer .dijitTreeNode {background-image : url('images/treeI_rtl.gif'); background-position : top right; margin-left: auto; margin-right: 19px;}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeIsRoot {margin-left: auto; margin-right: 0; background-image: none;}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeIsLast {background-image: url('images/treeI_half_rtl.gif');}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeContent {padding-left: auto; padding-right: 1px;}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeExpandoOpened {background: url('images/spriteTree_rtl.gif') no-repeat -18px top;}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeExpandoClosed {background-image: url('images/spriteTree_rtl.gif');}.dijitRtl .nihilo .dijitTreeContainer .dijitTreeExpandoLeaf {background: url('images/spriteTree_rtl.gif') no-repeat -36px top;}