<div id="header">

  <div class="aaa">
     <div class="bbb">
        <div class="ccc">
            <input ...>
	    <div class="description">some description</div>
        </div>
        <div class="ddd">
            <input ...>
        <div class="description">some description</div>
        </div>
        <div class="eee">
            <input ...>
        <div class="description">some description</div>
        </div>
     </div>
   </div>
</div>
<div id="yyy">
	<input ...>
	<div class="description">some description</div>
</div>