Design auf den ganzen bildschirm anpassen(CSS)

#extraDiv2 {display: none;}
#extraDiv3 {display: none;}
#extraDiv4 {display: none;}
#extraDiv5 {display: none;}
#extraDiv6 {display: none;}
#pre_header {display: none;}
#post_header {display: none;}
#pre_content {display: none;}
#nav_heading{display: none;}
div.header{display: none;}
h1#title{display: none;}
h2#title span {display: none;}

li.nav_element a{
color:#000000;
display: block;
margin: 2px;
padding-left: 10px;
text-decoration: none;
width: 125px;
height: 25px;
background-image:url();
background-color: transparent;}

li.nav_element a:hover{
color:#666666;
display: block;
margin: 2px;
padding-left: 10px;
text-decoration: none;
width: 125px;
height: 25px;
background-image:url();
background-color: transparent;}

body
{
background-color: #4c4c4c;
background-image: url();
font-family: Verdana, Arial, sans-serif;
font-size: 100.01%;
width: 100%;
height: 100%;
margin: 0;
padding: 0
}
 
*
{
padding: 0; margin: 0;
}
 
#Bild
{
position: absolute;
left: 50%;
top: 50px;
margin-left: -489px;
width: 1000px;
height:1024px;
background-image: url(http://img.webme.com/pic/z/zt-design/layout.png);
}
 
#Header_oben {
position: absolute;
left: 50%;
top: 50px;
height: 90px;
width: 820px;
background: transparent;
background-image:url();
color: #FFFFFF;
border: 0px solid #6E6E6E;
margin-left: -417px;
padding: 10px;
float: left;}

#content
{
position: absolute;
left: 50%;
top: 386px;
margin-left: -291px;
width: 487px;
height: 700px;
padding:10px;
color: #000000;
font-size:13px;
background-color:transparent;
background-image:url();
border: 0px solid #000000;
overflow:auto;
}
 
#nav_container
{
position: absolute;
left: 50%;
top:360px;
margin-left: -470px;
width: 190px;
height: 300px;
background-color:transparent;
background-image:url();
border:0px solid #000000;
color:#000000;
overflow:auto;
}
 
a{
color:#4A9AF6;
text-decoration: none;
font-size:13px;}
 
a:hover {
color: #4A9AF6;
font-size: 13px;
text-decoration: none;}
 
a:link {
color: #4A9AF6;
font-size: 13px;
text-decoration: none;}
 
a:active {
color: #cccccc;
font-size: 13px;
text-decoration: none;}
 
a:visited {
color: #cccccc;
font-size: 13px;
text-decoration: none;}
 
#counter {display:none);
position: absolute;
left: 50%;
top:940px;
margin-left: -120px;
width: 350px;
height:20px;
text-align: center;
color:#ffffff;
font-size:13px;
border: 0px solid #ffffff;}

#Kasten_links
{
position: absolute;
left: 50%;
top:435px;
margin-left: -490px;
width: 205px;
height: 230px;
background-color:transparent;
background-image:url();
border:0px solid #000000;
color: #000000;
overflow:auto;
}






#Kasten_rechts
{
position: absolute;
left: 50%;
top:435px;
margin-left: 220px;
width: 205px;
height: 230px;
background-color:transparent;
background-image:url();
border:0px solid #000000;
color: #000000;
overflow:auto;
}







#Kasten_rechts1
{
position: absolute;
left: 50%;
top:790px;
margin-left: 220px;
width: 205px;
height: 230px;
background-color:transparent;
background-image:url();
border:0px solid #000000;
color: #000000;
overflow:auto;
}






#Kasten_links1
{
position: absolute;
left: 50%;
top:790px;
margin-left: -490px;
width: 205px;
height: 230px;
background-color:transparent;
background-image:url();
border:0px solid #000000;
color: #000000;
overflow:auto;
}

#Copyright {{display:none);
position: absolute;
left: 50%;
top:940px;
margin-left: -560px;
width: 350px;
height:20px;
text-align: center;
color:#ffffff;
font-size:12px;
border: 0px solid #ffffff;
}-