You can edit / change the code and click run button <table border="1"> <colgroup span="4" class="columns"></colgroup> <tr> <th>Countries</th> <th>Capitals</th> <th>Population</th> <th>Language</th> </tr> <tr> <td>USA</td> <td>Washington D.C.</td> <td>309 million</td> <td>English</td> </tr> <tr> <td>Sweden</td> <td>Stockholm</td> <td>9 million</td> <td>Swedish</td> </tr> <tr> <td>India</td> <td>New Delhi</td> <td>1,267,401,849</td> <td>Hindi</td> </tr> </table>