<table class="table align-middle">
  <tbody>
    <tr>
      <!-- with input -->
      <td>
        <input type="text" class="form-control my-n1" />
      </td>
    </tr>
    
    <tr>
      <!-- with input-group -->
      <td>
        <div class="input-group my-n1"></div>
      </td>
    </tr>
    
    <tr>
      <!-- with btn-group -->
      <td>
        <div class="btn-group my-n1"></div>
      </td>
    </tr>
  </tbody>
</table>