Design lässt sich nicht zentrieren

h1#title{display: none;}
h2#title span {display: none;}
div.header{display: none;}

li.nav_element{list-style-type: none;}
#Header_oben {
height: 220px;
width: 677px;
background:;
background-image:url(http://img410.imageshack.us/img410/6831/unbenannt3ef9.png);
color: #FFFFFF;
border: 0px solid #ffffff;
margin: 0px 0px 0px 0px;
padding: 0px;
float: left;
;}

body {background-image:url(http://img.webme.com/pic/m/mando-group/103.jpg);background-position: ;}
a{color:#ffffff; font-size: 15px; text-decoration: none;}
a:hover {color: #ffffff; font-size: 15px; text-decoration: none;}
a:link {color: #ffffff; font-size: 15px; text-decoration: none;}
a:active {color: #ffffff; font-size: 15px; text-decoration: none;}
a:visited {color: #ffffff; font-size: 15px; text-decoration: none;}

li.nav_element a{
color:#ffffff;
display: block;
margin: 5px;
padding-left: 0px
text-decoration: none;
width: 80px;
height: 25px;
background-image:url(http://img.webme.com/pic/m/mando-group/unbenannt14ml2.png);
background-color:}

li.nav_element a:hover{
color:#ffffff;
display: block;
margin: 0px;
padding-left: 0px
text-decoration: none;
width: 80px;
height: 25px;
background-image:url(http://img.webme.com/pic/m/mando-group/unbenannt14ml2.png);
background-color:}
* { padding: 0; margin: 0; }

#Design {
margin: 0 auto;
width: 922px;
}

#nav_container {
width: 90px;
height: 570px;
background:;
background-image:url(http://img.webme.com/pic/m/mando-group/content.png);
color: ;
border: 1px solid #ffffff;
margin: 0px 0px 0px 0px;
padding: 10px;
float: left;overflow:auto;
;}

#content {
height: 570px;
width: 540px;
background:;
background-image:url(http://img.webme.com/pic/m/mando-group/content.png);
color: #ffffff;
border: 1px solid #ffffff;
margin: 0px 0px 0px 0px;
padding: 10px;
display: inline;
float: left;
overflow:auto;
;}

#sidebar_container {
height: 570px;
width: 214px;
background:;
background-image:url(http://img.webme.com/pic/m/mando-group/content.png);
color:#ffffff ;
border: 1px solid #ffffff;
margin: 0px 0px 0px 0px;
padding: 10px;
float: left;
overflow:auto;
;}


#counter{display: none;}