限制bootstrap导航栏中的宽度

 <div class="span12">
         <div class="row">
             <div class = "span6"><h1>The big text here</h1></div> <!-- end of span6--> 
             <div class = "span5 offset1">
             <nav class = "navbar">
             <div class = "navbar-inner">
             <ul class = "nav">
             <li><a href="/go.html?url=">Link1</a></li><li class="divider-vertical"></li>
             <li><a href="/go.html?url=">Link2</a></li><li class="divider-vertical"></li>
             <li><a href="/go.html?url=">Link3</a></li><li class="divider-vertical"></li>
             <li><a href="/go.html?url=">Link4</a></li><li class="divider-vertical"></li>
             <li><a href="/go.html?url=">Link5</a></li>

             </ul><!-- end of nav -->
             </div><!-- end of navbarinner -->
             </nav><!-- end of nav -->
             </div> <!-- end of span4 -->
         </div> <!-- end row -->
     </div> <!-- span 12 -->
 <div class="span12">
         <div class="row"