.dijitRtl .nihilo .dijitTreeNode,.dijitRtl .nihilo .dijitTreeExpandoLeaf{background-image:none}.dijitRtl .nihilo .dijitTreeContent{padding-left:0;padding-right:1px}.dijitRtl .nihilo .dijitTreeExpandoOpened{background:url('images/spriteTree_rtl.gif') no-repeat -18px top}.dijitRtl .nihilo .dijitTreeExpandoClosed{background-image:url('images/spriteTree_rtl.gif')}