<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <link href="css/bootstrap.min.css" rel="stylesheet"> <link href="css/dcalendar.picker.css" rel="stylesheet"> <div class="container"> <div class="row"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> </div> <div class="form-group"> <label class="col-md-4 control-label" for="fn">First name</label> <div class="col-md-4"> <input id="fn" name="fn" type="text" placeholder="Ad" class="form-control input-md" required=""> </div> </div> <div class="form-group col-md-3 col-sm-3"> <label for="DOB">Date of Birth or Exact Birth Year*</label> <input type="text" class="form-control input-sm datepicker" id="DOB" placeholder=""> </div> </div>