Background image for certain pages

Site URL: https://www.mirandastokkel.com/

How can I make certain pages (ie. each couples page) have this gradient background : 

Let me know! Thanks

On 8/10/2021 at 12:25 PM, katet12 said:

Site URL: https://www.mirandastokkel.com/

How can I make certain pages (ie. each couples page) have this gradient background : 

Let me know! Thanks

With homepage, try adding to Design > Custom CSS

body#collection-59ab76e08419c2a53cc5db34 {
    background-image: url(https://freight.cargo.site/t/original/i/97cfbd4777c91566d63ed3e4a4a1ff29d25b983717976eaa94a658bbfc5d436c/v960-ning-34.jpg);
}

If it works, which pages you want to add this?