ya menü açma yeniyim 9 saatlil sitem ama menü

<div id="hast"> <div id="headerben"><div class="iconcan">Reklamlar Buraya.Reklam Kodu Felan.</div><div class="menucan">Üst Menü.Üst Menü Linkleri...</div></div> <div id="icerik"> <div id="icontent"> <div class="writer">

</div> </div>
</div> <div id="footerbe"><div class="destekcan">Linkler Dost Siteler Felan Filan...</div></div>
</div>

h1#title{display: none;}
h2#title span {display: none;}
div.header{display: none;}
li.nav_element{list-style-type: none;} li.nav_element{display: none;}
* {padding: 0; margin:0 }
body {
margin-left:auto;
margin-right:auto;
background:url(http://www.backgroundlabs.com/backgrounds/52.jpg);}
#hast {
width: 900px;
margin-left: auto;
margin-right: auto;
text-align: left;}
#headerben{
margin-left: auto;
margin-right: auto;
background: url(http://img.webme.com/pic/l/loadimage/v41.png);
width: 900px;
height: 198px;
float: left;}
.iconcan {
margin-left: auto;
margin-right:auto;
width:470px;
padding: 35px 0 0 0;
float: right;}
.menucan{
margin-left: auto;
margin-right:auto;
width:800px;
padding: 45px 0 0 50px;
float: left;}
#icerik {
margin-left : auto;
margin-right : auto;
background : url(http://img.webme.com/pic/l/loadimage/v42.png);
float : left;
overflow : hidden;
text-align : justify; }
#icontent {
margin-left: auto;
margin-right:auto;
width: 875px;
padding: 0 0 0 25px;
overflow:hidden ;
float: left;
text-align:justify;}
.writer{
margin-left: auto;
margin-right:auto;
width: 845px;
padding:0 0 40px;
float: left;
overflow: hidden;
text-align:justify;}
#footerbe{
margin-left: auto;
margin-right: auto;
background:url(http://img.webme.com/pic/l/loadimage/v43.png);
width: 900px;
height: 293px;
float: left;}
.destekcan {
margin-left: auto;
margin-right:auto;
width: 840px;
padding:170px 0 0 30px;
float:left;
overflow:hidden;
text-align:justify;}