/* necessary to make the embedded editor bg white */
.mceContentBody {
  background:#FFF url('');
}
/* or whatever color you want it to be */
body {
  padding:0;
  margin:0;
  background-color:#CDCDCD;
  font-family:georgia,arial,sans;
}

#content {
  color:#615;
  padding-top:61.5px;
  width:615px;
  text-align:center;
  margin:0 auto;
}