.hide {
  display: none;
}

.ads {
  background-color: #F4F4F4;
  color: #666666;
  font-size: 11px;
  text-align: center;
  text-transform: uppercase;
}

.hz728 {
  height: 90px;
  line-height: 90px;
  width: 728px;
}

.vertical90 {
  height: 90px;
  line-height: 160px;
  width: 160px;
}

.square250 {
  height: 250px;
  line-height: 250px;
  width: 250px;
}

.banner468 {
  height: 60px;
  line-height: 60px;
  width: 468px;
}

.vertical600 {
  height: 600px;
  line-height: 600px;
  width: 160px;
}