#content {
  display: block;
  float: left;
  width: 330px;
  color: #333;
  margin: 0px;
  padding: 0px;
  text-align: left;
}
#content_ad {
  display: block;
  float: right;
  width: 340px;
  color: #333;
  margin: 0px;
  padding: 0px;
  text-align: left;
}