.t-store__prod-popup__container .js-store-prod-price,
.t-store__prod-popup__info .js-store-prod-price {
    font-size: 24px;
}

.t-store__prod-popup__container span.t-product__option-selected-title,
.t-store__prod-popup__info span.t-product__option-selected-title{
    font-size: 16px;
}