.tree-list{position:relative;min-height:5rem}.drawer-footer{z-index:10;width:100%;position:absolute;bottom:0;left:0;border-top:.0625rem solid #e8e8e8;padding:.625rem 1rem;text-align:right;background:#fff}.permModal .ivu-modal-body{max-height:35rem;overflow:auto}.depModal .ivu-modal-body{max-height:31.25rem;overflow:auto}