Süper bi css Tasarım

<div id="tasarim">
<div id="baslik">Bilgi Güçtür, Paylaştıkça Büyür!</div>
<div id="ust"></div>
<div id="orta">
<div class="solsutun">Burası Sol sütunun devamı......... aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</div>
<div class="sagsutun">

</div>
</div>
<div id="alt"></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: 0 auto;
margin-right:0 auto;
background: url(http://img.webme.com/pic/h/hackerfriend4/arkaplan.jpg) top center fixed;
}

#tasarim{
width: 1000px;
margin-left: 0 auto;
margin-right:0 auto;
}


#baslik{
margin-left: 0 auto;
margin-right:0 auto;
background: url(http://img.webme.com/pic/h/hackerfriend4/header.png);
width: 1000px;
height: 20px;
float: left;
text-align: center;
padding: 180px 0 0 0;
font-size: 20px;
color: #ff0000;
font-family: Verdana, arial;
}



#ust{
margin-left: 0 auto;
margin-right:0 auto;
background: url(http://img.webme.com/pic/h/hackerfriend4/tasarim1.png);
width: 1000px;
height: 191px;
float: left;
}

#orta{
margin-left: 0 auto;
margin-right:0 auto;
background: url(http://img.webme.com/pic/h/hackerfriend4/tasarim2.png);
width: 1000px;
height: 100%;
float: left;
}

.solsutun{
width:175px;
float: left;
padding: 0 0 0 50px;
overflow: hidden;
}

.sagsutun {
width:675px;
float: left;
padding: 0 0 0 50px;
overflow: hidden;
text-align: justify;
}


#alt{
margin-left: 0 auto;
margin-right:0 auto;
background: url(http://img.webme.com/pic/h/hackerfriend4/tasarim3.png);
width: 1000px;
height: 196px;
float: left;
}