ช่วยเรื่องการใส่ลิงค์ไปหน้าเนื้อหาหน่อยค่ะ html+css ค่ะ

#navigation{
  margin:0px 0px 0px 0px;
  overflow:hidden;
  background:#303030 url(images/banner1.gif);
  border:1px solid #111;
 }  
 .navigation2{
  margin:50px 0px 0px 0px;
  overflow:hidden;
  background:#303030 url(images/banner2.gif);
  border:1px solid #111;
 
 }  
 .navigation3{
  margin:150px 0px 0px 0px;
  overflow:hidden;
  background:#303030 url(images/banner3.gif);
  border:1px solid #111;
 
 }  
#main-menu {
  margin: 145px 0px;
  padding: 0px 0px;
  height: 0; /*กำหนด size banner*/
  }

<div id="page" class="container_6">
  <header id="header" role="banner">
  <nav id="navigation" role="navigation">
  <nav class="navigation2" role="navigation">
   <header id="header" role="banner">
  <nav class="navigation3" role="navigation">
<div id="main-menu"><br /><br /><br />
      </div>
 </nav>