challenge-vtex-io/styles/sass/pages/product/vtex.product-price.scss

.sellingPriceValue {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  font-size: 25px;
  line-height: 38px;
  color: #000000;
}

.installments {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  font-size: 16px;
  line-height: 22px;
  color: #929292;
}

.listPrice {
  display: block;
}