.product-dec__content {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
    box-sizing: border-box;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .product-dec__content {
        max-width: 800px;
        margin: 10px auto;
        text-align: center;
    }
}