.amazon-rating-1 {
  width: 20px;
  height: 20px;
  background: url(images/rating1.gif);
  display: -moz-inline-box;
  display: inline-block;
  vertical-align: top;
}
.amazon-rating-2 {
  width: 40px;
  height: 20px;
  background: url(images/rating2.gif);
  display: -moz-inline-box;
  display: inline-block;
  vertical-align: top;
}
.amazon-rating-3 {
  width: 60px;
  height: 20px;
  background: url(images/rating3.gif);
  display: -moz-inline-box;
  display: inline-block;
  vertical-align: top;
}
.amazon-rating-4 {
  width: 80px;
  height: 20px;
  background: url(images/rating4.gif);
  display: -moz-inline-box;
  display: inline-block;
  vertical-align: top;
}
.amazon-rating-5 {
  width: 100px;
  height: 20px;
  background: url(images/rating5.gif);
  display: -moz-inline-box;
  display: inline-block;
  vertical-align: top;
}