Transparent background make it easier to customize a widget.
Folks, our former Wishlist portal, where our users shared their requests and suggestions, was transferred to this forum. You’re most welcome to vote, add new ideas, and leave your comments here — we surely will consider them all! 
Original Votes: 1
Hello,
Thank you for adding this idea!
I agree that this feature would always be really useful, we’ll try to think over it as well.
Thank you!