reactjs - React Table 错误并且没有 CSS 文件

Question

import React, {Component} from 'react';
import ReactTable from 'react-table';

class Table extends Component {

    render() {
        const tableData = [{name:"Saiful",age:"28"},{name:"Saiful",age:"28"},{name:"Saiful",age:"28"},{name:"Saiful",age:"28"}]

        const tableColumns = [{Header: "Name", accessor: "name"},{Header: "Age", accessor: "age"}]


        return (
            <div>
                <ReactTable
                    data = {tableData}
                    columns = {tableColumns}
                    defaultPageSize={2}
                    pageSizeOptions={[2,4,6,8]}
                />
            </div>
        );
    }
}

export default Table;