Få menu i rigth side. css problemer.

CSS kode 

 #tooplate_main {
     clear: both;
     width: 900px;
     padding: 40px 30px;
     background: #2b2929
 }
 
 #content {
 width: 620px;
 }
 
 #righboks {
 position: relative;
 top: 0;
 float: right;
 width: 240px;
 border: 1px solid #000;
 
 }
 .right_title {
     background-color: #000;
     opacity: 0.8;
 }
 .right_top {
     margin-top: -2px;
     color: #fff;
     font-family: Tahoma, Geneva, sans-serif;
     font-size: 16px;
     padding: 4px;
 
 }
 .right_content {
     color: #fff;
     font-family: Tahoma, Geneva, sans-serif;
     font-size: 12px;
     padding: 2px;
 }

HTML kode 

 <div id="tooplate_main">
 
 
 <div id="righboks">
 <div class="right_title"><div class="right_top">Facebook</div></div>
 <div class="right_content">
 
 Like boks.
 
 </div>
 </div>    
 
 <div id="content">
 Page indhold visning.
 </div>
 
 </div>