[ERLEDIGT!] CSS: Fehler im Design?

 /* Nullformatierung für alle Browser */
*{padding: 0px; margin: 0px; }

/* Werbung mittig */
table[height="102"] { margin: auto; }

/* Hintergrund hinter Design */
body {
background-color: #babccb;
background-image: url();
font-family: arial;
font-size: 14px;
color: #000000; }

/* Design-Container */
#container {
width: 962px;
margin: 10px auto;
overflow: hidden; }

/* Headerfeld 1000 x 400 */
#header_container {
width: 1000px;
height: 422px;
margin-bottom: -20px;
background-color: #;
background-image: url(http://img.webme.com/pic/h/ho-allround/header4.png);
}

/* Titel im Headerfeld entfernt */
h1#header {display: none; }

/* Feld der Navigation */
#nav_container {
width: 995px;
margin-bottom: 10px;
height: 40px;
background-color: #e3c495;
background-image: url();
border: 3px solid #000000; }

/* Titel über Navigation entfernt */
#nav_heading {display: none; }

/* Aufzählungspunkte in Navi entfernt */
ul#nav {
list-style-type: none; }

/* Navi-Buttons */
li.nav_element {
margin-bottom: 10px;
width: 110px;
height: 40px;
text-align: center;
border-right: 3px solid #000000;
background-color: #e3c495;
background-image: url(); }

/* Hover Navi-Button */
li.nav_element:hover { background-color: #a0896a; }

/* Linktexte in Navigation */
li.nav_element a {
display: block;
font-size: 15px;
color: #000000;
line-height: 40px;
text-decoration: none; }

/* Hover Linktexte Navigation */
li.nav_element a:hover { color: #FFFFFF; }

/* Seiteninhalt */
#content {
float: left;
width: 665px;
min-height: 200px;
padding: 20px 20px 20px 20px;
background-color: #e3c495;
background-image: url();
border: 3px solid #000000;
overflow: hidden; }

/* Link im Seiteninhalt */
#content a {color: #000080; }

/* Hover Link im Seiteninhalt */
#content a:hover {color: #008080; }

/* Rechte Box */
#sidebar_container {
float: right;
width: 200px;
min-height: 200px;
padding: 20px 20px 20px 20px;
background-color: #e3c495;
background-image: url();
border: 3px solid #000000;
overflow: hidden; }

/* Liste in rechter Box */
#sidebar_content ul {
list-style-type: square;
margin: 15px 0px 15px 25px; }

/* Linktexte in Box */
#sidebar_content ul li a {
color: #000000;
font-size: 14px;
text-decoration: none; }

/* Hover Linktexte Box */
#sidebar_content ul li a:hover { color: chocolate; }

/* Feld unter dem Design */
#footer {
width: 920px;
padding: 20px 20px 20px 20px;
margin: auto;
background-color: #e3c495;
background-image: url();
border: 3px solid #000000; }

/* unnötige Felder im Design entfernt */
#pre_header {display:none;}
#post_header {display:none;}
#post_content {display:none;}
#below_content{display:none;}
#counter{display:none;}
#title{display:none;}
#sidebar_heading{display:none;}

/* Navi-Buttons */
li.nav_element {
margin-bottom: 10px;
width: 110px;
height: 40px;
text-align: center;
border-right: 3px solid #000000;
background-color: #e3c495;
background-image: url(); }

/* Navi-Buttons */
li.nav_element {
margin-bottom: 10px;
width: 110px;
height: 40px;
float: left;
text-align: center;
border-right: 3px solid #000000;
background-color: #e3c495;
background-image: url(); }

float: left;