.price-round sup {
  top: -23px;
  font-size: 48%;
  line-height: 9px;
  margin-top: -7%;
}

@media screen and (max-width: 767px) {}

@media screen and (max-width: 567px) {
  .price-round sup {
    top: -12px;
    font-size: 48%;
    line-height: 9px;
    margin-top: -7%;
  }
}