Category "uipickerview"

Can you get rid of opaque rectangle in a UIPickerView?

I'd like to remove this gray box in a UIPickerView. I'm trying to recreate this. If there is a way I'd greatly appreciate it. Here's the code snippet. I'm not

iOS 14 UIPickerView color of the selected row

in iOS 14 the UIPickerView has default a grey background on the selected Row, I can't find a way to change it