@media(max-width:749px){
  .product__block.product__block--price span.f-price-item.f-price-item--regular {font-size:13px;}
  .product__block.product__block--price span.f-price-item.f-price-item--sale {font-size:17px;}
  .product__block.product__block--price .f-price__sale[data-sale-text]::after {font-size:12px;}  
}