/*不考虑节点的状态，同一用一种图标显示*/   
.x-tree-node  .logo-iconCls {
	height: 36px;
	width: 36px;
}
/*为节点的开闭状态和叶节点状态分别设置样式
.x-tree-node-expanded  .logo-iconCls {
	height: 36px;
	width: 36px;
}

.x-tree-node-collapsed  .logo-iconCls {
	height: 36px;
	width: 36px;
}

.x-tree-node-leaf  .logo-iconCls {
	height: 36px;
	width: 36px;
}
*/