Closing button inacitve if windows is inactive
This seems to be a bug: When the Vivaldi windows is inactive (and the red, yellow, green bubbles in the top left corner are grey), you can't close the window with a click on the red button (which is actually grey at that moment). The click would even not activate the window nor close the window. All other Mac programs behave different. They will close the window.
Would be nice, if someone can do this on an issue list for Vivaldi for Mac...