.dialog-footer[data-v-518a9ca0]{position:absolute;left:0;bottom:0;right:0;z-index:9;border-top:1px solid #e9e9e9;padding:10px 20px;background:#fff;text-align:right}.istree[data-v-518a9ca0]{margin:0 auto 80px auto}.istree[data-v-518a9ca0] .el-checkbox{margin-right:10px}