Change to XHTML Not CSS

This is the navigation menu

<div class="column">
 <div id="nav" class="main">
  <p>This is the navigation menu</p>
 </div>
</div>

Welcome to the Swedish Chef Website bork bork bork

<div class="column">
  <div class="main" id="content">
   <p>
    Welcome to the
    Swedish Chef Website
    <span class="bork" >bork bork bork</span>
   </p>
  </div>
</div>