Center input field in bootstrap

This code show the input to the left of div

<div class="col-sm-8 col-md-7" style="min-width: 270px;">
<input type="text" name="address" class="form-control" value="<?php echo$data["address"]; ?>">
</div>

I intent with center and align div and show same. Sorry for the english. Thanks very much. Regards