span.stars:not(.stars-lg), span.stars span {
  display: inline-block;
  background: url('/img/stars.png') 0 -16px repeat-x;
  width: 80px;
  height: 16px;
  line-height: 1rem;
  text-align: left;
}
span.stars span {
  background-position: 0 0;
}

span.stars.stars-lg, span.stars.stars-lg span {
  display: inline-block;
  background: url('/img/stars-big.png') 0 -26px repeat-x;
  width: 160px;
  height: 26px;
  line-height: 1rem;
  text-align: left;
}
span.stars.stars-lg span {
  background-position: 0 0;
}