In addition to what balala said, once you have such an "almost transparent padding" around the visible part of the skin, you could set it to hide from the skin's context menu (see the On Hover section below):
https://docs.rainmeter.net/manual/user-interface/context-menus/#SkinContextMenus
https://docs.rainmeter.net/manual/user-interface/context-menus/#SkinContextMenus
Statistics: Posted by Yincognito — Yesterday, 6:47 pm