body { 
  text-align: center; 
  margin: 0 auto; 
} 
  
#container { 
  width: 818px;
  margin: 60px auto 10px auto;
  overflow: hidden; 
} 
  
#rightside { 
  float: right; 
  width: 202px;
  padding: 10px 0 0 0;
  margin: 6px 8px 0 0;
} 
  
#content { 
  text-align: left; 
  float: left; 
  width: 600px; 
  padding: 0px 0 0 0;
  margin: 0 0px 0 7px;
}
.clearfix::after{content:"";display:table;clear:both}