Change background color on single product page

Hi there,

that may be tricky.... can you link me to that page so i can take a look ?

Hi,
I send in private... Thanks

Aah ok. Try adding this CSS:

@media(min-width: 769px) {
    .woocommerce.single .product {
        background-color: #fff;
    }
    .woocommerce.single .product .entry-summary {
        padding-top: 40px;
    }
}

I added this CSS in Customize > Additional CSS but it doesn't work...

The CSS above David's CSS is missing a closing bracket:
https://www.screencast.com/t/tQKIHIkttmc

It works, thanks a lot.