 <div class="span12">
      <input type="text" class="span9" placeholder="span9">
    </div><!--/span-->
  </div><!--/row-->
  <div class="row-fluid">
    <div class="span12">
      <input type="text" class="span10" placeholder="span10">
    </div><!--/span-->
  </div><!--/row-->
  <div class="row-fluid">
    <div class="span12">
      <input type="text" class="span11" placeholder="span11">
    </div><!--/span-->
  </div><!--/row-->
  <div class="row-fluid">
    <div class="span12">
      <input type="text"