#content.product_page .product_info_top .right_block .price {
  font-size: 26px;
}
#content ul.list_product li .list_product_block .right_block .old_price span,
#content ul.list_product li .list_product_block .right_block .old_price.small_text span {
  font-size: 18px;
}
#content ul.list_product li .list_product_block .right_block .price.small_text {
  font-size: 26px;
}