Thanks for looking into this. Perhaps we have a communication problem, but if you look at my page, you can clearly see a white line around the uploaded logo image. I don’t known if it is a border, margin, padding or whatever.
The logo has a dark blue background, which I have matched in the Header Background color. Therefore the logo image should appear to be part of the background, with no border.
I can’t attach a screenshot to this post unfortunately, but you are able to see my page.
Your solution changes the Header Background color to white, so the border is not visible, but I don’t want a white Header Background.