It occurs when you go into the product page itself 

Tried doing that. Now the background is black. I added the code to section-featured-product.css because when I tried adding that code to the pages CSS it put out an error. 

Hello. I am starting up a store but whenever I upload an image thats a png, the background is automatically turned white! Please help!  store front is currently https://bad-days-are-temporary.myshopify.com/PW: bobaos