<table>
  <tr>
    <th>Nom</th>
    <th>Prénom</th>
  </tr>
  <tr>
    <td>Dand</td>
    <td>Dany</td>
  </tr>
  <tr>
    <td>Land</td>
    <td>Loic</td>
  </tr>
</table>

table, td, th {
  border: 1px solid black;
}

table{
  border-spacing: 15px;
}