set textbox into center of div in bootstrap
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha/css/bootstrap.css" rel="stylesheet" /> <td style="background:#B3AEB5;"> <div class="form-group text-center"> <div class="input-group" style="margin:auto;"> <input type="month" name="p2" value="test"> </div> </div> </td>