TEST
<div class="request_callback"> <div class="row"> <div class="col-lg-4 col-md-4 col-sm-4 col-xs-12"> <div class="input-group"> </div> </div> <div class="col-lg-4 col-md-4 col-sm-4 col-xs-12"> <div class="input-group"> </div> </div> <div class="col-lg-4 col-md-4 col-sm-4 col-xs-12"> <div class="input-group"> </div>