.l-tree{margin:0;padding:0;list-style:none;position:relative;display:block}.l-tree-loading{position:absolute;z-index:91000;top:40%;left:50%;overflow:hidden;background:url('../images/tree/loading.gif') no-repeat 0 0;width:24px;height:24px;display:none}.l-tree a,.l-tree span{color:#333;display:inherit;height:22px;line-height:22px;text-decoration:none}.l-tree ul,.l-tree li{list-style:none;margin:0;padding:0}.l-tree li{clear:both;display:block;cursor:pointer}.l-tree li .l-body{height:22px;line-height:22px;overflow:hidden}.l-tree .l-box{width:22px;height:22px;overflow:hidden;float:left;background:url('../images/tree/tree.gif');background-position:-22px -220px}.l-tree-noline .l-box{background-image:url('../images/tree/tree-noline.gif')}.l-tree .l-expandable-close{background-position:0 -44px}.l-tree .l-first .l-expandable-close{background-position:0 -22px}.l-tree .l-last .l-expandable-close{background-position:0 -66px}.l-tree .l-onlychild .l-expandable-close{background-position:0 0}.l-tree .l-expandable-open{background-position:0 -132px}.l-tree .l-first .l-expandable-open{background-position:0 -110px}.l-tree .l-last .l-expandable-open{background-position:0 -154px}.l-tree .l-onlychild .l-expandable-open{background-position:0 -88px}.l-tree .l-over{background:#fff}.l-tree .l-selected{background:#cddcec}.l-tree .l-line{background-position:0 -176px}.l-tree .l-note{background-position:0 -198px}.l-tree .l-note{background-position:0 -198px}.l-tree .l-note-last{background-position:0 -220px}.l-tree .l-checkbox-unchecked{background-position:-22px 0}.l-tree .l-checkbox-checked{background-position:-22px -22px}.l-tree .l-checkbox-incomplete{background-position:-22px -44px}.l-tree .l-over .l-checkbox-unchecked{background-position:-44px 0}.l-tree .l-over .l-checkbox-checked{background-position:-44px -22px}.l-tree .l-over .l-checkbox-incomplete{background-position:-44px -44px}.l-tree .l-tree-icon-folder{background-position:-22px -88px}.l-tree .l-tree-icon-none{background:none}.l-tree .l-tree-icon-none img{width:22px;height:22px;border:0}.l-tree .l-tree-icon-folder-open{background-position:-44px -88px}.l-tree .l-tree-icon-leaf{background-position:-22px -110px}