<table class="table table-bordered">
        <thead>
          <tr>
            <th>#</th>
            <th>First Name</th>
            <th>Last Name</th>
            <th>Username</th>
          </tr>
        </thead>
        <tbody>
          <tr>
            <td rowspan="2">1</td>
            <td>Mark</td>
            <td>Otto</td>
            <td>@mdo</td>
          </tr>
          <tr>
            <td>Mark</td>
            <td>Otto</td>
            <td>@TwBootstrap</td>
          </tr>
          <tr>
            <td>2</td>
            <td>Jacob</td>
            <td>Thornton</td>
            <td>@fat</td>
          </tr>
          <tr>
            <td>3</td>
            <td colspan="2">Larry the Bird</td>
            <td>@twitter</td>
          </tr>
        </tbody>
      </table>

body {
  padding: 1rem;
}