If you're comfortable with just adding transparency to the minimap, you can test the idea by running the following command in chat.
Code:
/run Minimap:SetAlpha(0.5)
You can change the number anywhere between 0 and 1, it acts as a percentage of opacity. As an example, 0.5 is 50% opacity.
Note this is only to test a process. As most if not all minimap buttons are parented to the minimap itself, the change in alpha will affect them as well.