<form action="xxx.php" method="post" class="form-horizontal" role="form">
<div class="control-group"> <label class="span2 control-label"> 標題 </label> <div class="span10 controls"> <input name="xxx" class="span12"> </div> </div>
<div class="form-group"> <label class="col-md-2 control-label"> 標題 </label> <div class="col-md-10"> <input name="xxx" class="form-control "> </div> </div>