1<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha/css/bootstrap.css" rel="stylesheet" />
2<td style="background:#B3AEB5;">
3 <div class="form-group text-center">
4 <div class="input-group" style="margin:auto;">
5 <input type="month" name="p2" value="test">
6 </div>
7 </div>
8</td>