.m-table {
  .el-button.action-btn + .el-button.action-btn {
    margin-left: 0;
  }
  .keep-all {
    word-break: keep-all;
  }
  .el-table .cell > div {
    display: inline-block;
    vertical-align: middle;
  }
  .el-table__row.el-table__row--level-1 {
    color: #999;
  }
}