Untitled

.ecom-product-single__description--paragraph h1,
.ecom-product-single__description--paragraph h1 *{
    font-size: 28px !important;
}
.ecom-product-single__description--paragraph h2,
.ecom-product-single__description--paragraph h2 *{
    font-size: 24px !important;
}
.ecom-product-single__description--paragraph h3,
.ecom-product-single__description--paragraph h3 *{
    font-size: 21px !important;
}
.ecom-product-single__description--paragraph h4,
.ecom-product-single__description--paragraph h4 *{
    font-size: 18px !important;
}