[erledigt] Problem mit Css-Code

#extraDiv1 {display: none;}
 #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;}
 #counter{display: none;}
 #nav_container{display: none;}
 #li.nav_element{display: none;}
 #content{display: none;}


#header {
width: 988px;
height: 135px;
background-image: url(http://www.bilder-hochladen.net/files/8xhh-46.gif);
background-color: #000000;
}
#navi {
width: 988px;
height: 51px;
background-image: url(http://www.bilder-hochladen.net/files/8xhh-47.gif);
background-color: #00FF00;
}
#content_top {
width: 988px;
height: 27px;
background-image: url(http://www.bilder-hochladen.net/files/8xhh-44.gif);
background-color: #00FF00;
}
#textfeld {
padding-left: 50px;
padding-right: 50px;
width: 988px;
background-repeat: repeat-x
background-image: url(http://www.bilder-hochladen.net/files/8xhh-42.gif);
}
#content_bottom {
width: 988px;
height: 25px;
background-image: url(http://www.bilder-hochladen.net/files/8xhh-43.gif);
background-color: #FF0000;
}
#footer {
width: 988px;
height: 87px;
background-image: url(http://www.bilder-hochladen.net/files/8xhh-45.gif);
background-color: #CC0000;
}

<div id="textfeld">

</div>