.he-tree{border:1px solid #ccc;padding:20px}.tree-node-inner{padding:5px;border:1px solid #ccc;cursor:pointer;height:42px}.draggable-placeholder-inner{border:1px dashed #0088f8;box-sizing:border-box;background:rgba(0,136,249,.09);color:#0088f9;text-align:center;padding:0;display:flex;align-items:center}b{padding:7px}