.dijitAdditionalEditorIconShowBlockNodes{background-image:url(../icons/showBlockNodes.gif);background-repeat:no-repeat;background-position:center center;width:18px;height:18px}.dijitDisabled .dijitAdditionalEditorIconShowBlockNodes{background-image:url(../icons/showBlockNodesDisabled.gif);background-repeat:no-repeat;background-position:center center;width:18px;height:18px}