Darstellungsfehler html/css

Code:
<?php

include_once 'system/utils.php';

header('Content-Type: text/html; charset=utf-8');

?>

<!DOCTYPE html>

<html>

<head>

<style type="text/css">

#marqueecontainer{

position: relative;

width: 200px; /*marquee width */

height: 200px; /*marquee height */

background-color: #00002f;

overflow: hidden;

border: 3px solid orange;

padding: 2px;

padding-left: 4px;

}



a:link{color:#FFFFFF;}

a:visited{color:#FFFFFF;}

a:hover{color:#FFFFFF;}

a:active{color:#FFFFFF;}

</style>



<script type="text/javascript">



/***********************************************

* Cross browser Marquee II- Â© Dynamic Drive (www.dynamicdrive.com)

* This notice MUST stay intact for legal use

* Visit http://www.dynamicdrive.com/ for this script and 100s more.

***********************************************/



var delayb4scroll=2000 //Specify initial delay before marquee starts to scroll on page (2000=2 seconds)

var marqueespeed=2 //Specify marquee scroll speed (larger is faster 1-10)

var pauseit=1 //Pause marquee onMousever (0=no. 1=yes)?



////NO NEED TO EDIT BELOW THIS LINE////////////



var copyspeed=marqueespeed

var pausespeed=(pauseit==0)? copyspeed: 0

var actualheight=''



function scrollmarquee(){

if (parseInt(cross_marquee.style.top)>(actualheight*(-1)+8))

cross_marquee.style.top=parseInt(cross_marquee.style.top)-copyspeed+"px"

else

cross_marquee.style.top=parseInt(marqueeheight)+8+"px"

}



function initializemarquee(){

cross_marquee=document.getElementById("vmarquee")

cross_marquee.style.top=0

marqueeheight=document.getElementById("marqueecontainer").offsetHeight

actualheight=cross_marquee.offsetHeight

if (window.opera || navigator.userAgent.indexOf("Netscape/7")!=-1){ //if Opera or Netscape 7x, add scrollbars to scroll and exit

cross_marquee.style.height=marqueeheight+"px"

cross_marquee.style.overflow="scroll"

return

}

setTimeout('lefttime=setInterval("scrollmarquee()",30)', delayb4scroll)

}



if (window.addEventListener)

window.addEventListener("load", initializemarquee, false)

else if (window.attachEvent)

window.attachEvent("onload", initializemarquee)

else if (document.getElementById)

window.onload=initializemarquee





//<![CDATA[

var XMLHTTP = null;

if (window.XMLHttpRequest) {

   XMLHTTP = new XMLHttpRequest();

} else if (window.ActiveXObject) {

   try {

       XMLHTTP =

           new ActiveXObject("Msxml2.XMLHTTP");

   } catch (ex) {

   try {

       XMLHTTP =

           new ActiveXObject("Microsoft.XMLHTTP");

   } catch (ex) {

   }

   }

}

function DatenAusgeben() {

   if (XMLHTTP.readyState == 4)  {

       var d = document.getElementById("Daten");

       var s = document.getElementById("Status");

       d.innerHTML += XMLHTTP.responseText;

       s.innerHTML += XMLHTTP.status + " (" +

                      XMLHTTP.statusText + ")";

   }

}

window.onload = function() {

   XMLHTTP.open("GET", "/newest");

   XMLHTTP.onreadystatechange = DatenAusgeben;

   XMLHTTP.send(null);

}

//]]>

</script>

<title>mymusic-space</title>

<link rel="stylesheet" type="text/css" href="style.css" />

</head>

<body>

<div id="header"><img src="img/header.gif" alt="" /></div>

<div id="menue_bg">

<div id="menue">

<div class="menue_button"><a href="/login">Login/Reg.</a></div>

<div class="menue_button"><a href="/suche">Suche</a></div>

<div class="menue_button"><a href="/insert">Eintragen</a></div>

<div class="menue_button"><a href="/index">Startseite</a></div>

<?php if(getUser()) {

if(getUser('confirmEntries')) { ?>

<div class="menue_button"><a href="/unconfirmed">Wartende Eintr&auml;ge</a></div>

<?php } ?>

<div class="menue_button"><a href="/logout">Logout</a></div>

<?php } ?>

   </div>

</div>

<div class="nav"></div>

<div id="infobox"></div>

<div id="trennbalken"></div>

<div id="website">

<?php

if(empty($_GET['snippet']))

       $_GET['snippet'] = 'index';

       if(preg_match('/^[a-z]+$/i', $_GET['snippet']) && file_exists('system/snippets/'.$_GET['snippet'].'.php'))

       include SNIPPETS.$_GET['snippet'].'.php';

       else

       include SNIPPETS.'404.php';

   ?>

</div>

<div id="webtrenner"></div>

<div id="webright"></div>

<div id="leiste">

<div class="leiste_button"><a href="./login">Login/Reg.</a></div>

<div class="leiste_button"><a href="./find">Suche</a></div>

<div class="leiste_button"><a href="./insert">Eintragen</a></div>

</div>

<div id="footer_bg">

<div id="footer_info">

<a href="./agb">AGBs/Datenschutzerkl&auml;rung</a>

<a href="./impressum">Impressum/Kontakt</a>

<a href="http://www.phoenix-jonglage.de" target="_blank">&copy; by Phoenix-Design 2015</a>

</div>

</div>

</body>

</html>