.clear,.el-checkbox.is-bordered+.el-checkbox.is-bordered{margin:0}.clear{padding:0;clear:both}.el-dialog__body{overflow:hidden}.el-tree{float:left;width:60%;overflow:auto;height:50vh}.tree-children{float:left;overflow:hidden;width:40%;-webkit-box-sizing:border-box;box-sizing:border-box;overflow:auto;padding-left:5px;height:50vh}