Centrar cabezal | CSS [RESUELTO]

<div style="position:center;top:100px;">
<img src="http://img.webme.com/pic/m/moebiuscorp/moebiusbanner.png">
</div>
<div id="head">
<div id="topright">
<ul>
   <li><a href="URL">Link's 1</a></li>
   <li><a href="URL">Link's 2</a></li>
   <li><a href="URL">Link's 3</a></li>
   <li><a href="URL">Link's 4</a></li>
</ul>
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<ul id="nav">
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</li></ul></div>
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<div id="main">
<div id="contentwrapper">

<div id="nextprevious">
<div class="alignleft"></div>
<div class="alignright"></div>
<div class="cleared"></div>
</div></div>
<div id="sidebars">
<div id="sidebar_full"><ul><li>
<div id="welcome" class="sidebarbox">
   <h2>Titulo box 1</h2><p>
Contenido
</p></div></li><li>
<div class="sidebarbox">
   <h2>Menu lateral 1</h2><ul>
     <li><a href='URL'>Link's 1</a></li>
     <li><a href='URL'>Link's 2</a></li>
     <li><a href='URL'>Link's 3</a></li>
     <li><a href='URL'>Link's 4</a></li>
     <li><a href='URL'>Link's 5</a></li>
     <li><a href='URL'>Link's 6</a></li>
     <li><a href='URL'>Link's 7</a></li>
</ul></div>
<div class="sidebarbox">
   <h2>Menu lateral 2</h2><ul>
     <li><a href='URL'>Link's 1</a></li>
     <li><a href='URL'>Link's 2</a></li>
     <li><a href='URL'>Link's 3</a></li>
     <li><a href='URL'>Link's 4</a></li>
     <li><a href='URL'>Link's 5</a></li>
     <li><a href='URL'>Link's 6</a></li>
     <li><a href='URL'>Link's 7</a></li>
</ul></div>
</li></ul></div>

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</div><div class="cleared"></div></div>
<div id="morefoot">
<div class="col1">
<h3>Buscar?</h3>
<p> Búsqueda dentro de nuestro sitio:</p>
<form method="get" id="searchform" action=""><p>
<input type="text" value="Palabras a buscar" name="s" id="searchbox" onfocus="this.value=''"/>
<input type="submit" class="submitbutton" value="Buscar" /></p>
</form></div>

<div class="col2">
<h3>Enlaces</h3><p>
- Nuestras paginas recomendadas:
</p><ul>
   <li><a href="URL">Link's 1</a></li>
   <li><a href="URL">Link's 2</a></li>
   <li><a href="URL">Link's 3</a></li>
   <li><a href="URL">Link's 4</a></li>
   <li><a href="URL">Link's 5</a></li>
</ul></div>
<div class="col3">
<h3>Enlaces 2</h3><p>
- Nuestras paginas recomendadas:
</p><ul>
   <li><a href="URL">Link's 1</a></li>
   <li><a href="URL">Link's 2</a></li>
   <li><a href="URL">Link's 3</a></li>
   <li><a href="URL">Link's 4</a></li>
   <li><a href="URL">Link's 5</a></li>
</ul></div>
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<p>Möebius Corp. |  Copyright © 2012 - 2018  |  Todos los derechos reservados.</p>
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<div id="logo">