Transparency background on product page

[mehdi9]

Hey Guys

whats the coding that I have to add/change to get this part of my product page transparent.

Also, ADD TO CART box has to be changed to BLACK.

Please help 🙂

white boxes transparent, ADD TO CART BOX BLACK

[Zworthkey]

Hii, @mehdi9 
Kindly share your store URL so,
I can solve it perfectly.
Thank You.