body { 
  text-align: center; 
  margin: 0 auto; 
 } 
  
 #container { 
  margin:10px auto;
  padding:0;
  position:relative;
  width:960px;
  overflow: hidden; 
 } 
  
 #leftside { 
  float: right; 
  width: 320px;
  padding: 10px 0 0 0;
  margin: 0 10px 0 0px;
 } 
  
 #content { 
  float: left; 
  width: 610px; 
  padding: 0;
  margin: 10px 0 10px 10px;
 }