.nihilo .dijitTreeNode {background : url('images/treeI.gif') no-repeat; background-position : top left; background-repeat : repeat-y; zoom: 1;}.nihilo .dijitTreeIsLast {background: url('images/treeI_half.gif') no-repeat;}.nihilo .dijitTreeRowHover {background-image: url(images/treeHover.png); background-repeat: repeat; background-color: transparent !important;}.nihilo .dijitTreeLabel {font-weight: normal; margin-left: 3px;}.nihilo .dijitTreeIsRoot {margin-left: 0; background-image: none;}.nihilo .dijitTreeExpando {width: 18px; height: 18px;}.nihilo .dijitTreeRow {padding-bottom: 2px;}.nihilo .dijitTreeContent {min-height: 18px; min-width: 18px; padding-left:1px;}.nihilo .dijitTreeExpandoOpened {background: url('images/spriteTree.gif') no-repeat -18px top;}.nihilo .dijitTreeExpandoClosed {background-image: url('images/spriteTree.gif');}.nihilo .dijitTreeExpandoLeaf {background: url('images/spriteTree.gif') no-repeat -36px top;}.nihilo .dijitTreeExpandoLoading {background-image: url('images/treeExpand_loading.gif');}.nihilo .dijitTreeIcon {width: 16px; height: 16px;}.nihilo .dijitFolderOpened {background: url('images/spriteDivIcons.gif') no-repeat -16px top;}.nihilo .dijitFolderClosed {background: url('images/spriteDivIcons.gif') no-repeat top left;}.nihilo .dijitLeaf {background: url('images/spriteDivIcons.gif') no-repeat -32px top;}.nihilo .dijitTreeNode .dojoDndItemBefore,.nihilo .dijitTreeNode .dojoDndItemAfter {border-bottom: none; border-top: none;}.nihilo .dijitTreeNode .dojoDndItemBefore .dijitTreeContent {border-top: 2px solid #369;}.nihilo .dijitTreeNode .dojoDndItemAfter .dijitTreeContent {border-bottom: 2px solid #369;}