Gray Bar in fullscreen mode multidisplay OSX mavericks added support for having the menu bar available in multidisplay mode, which is nice, but now whenever I try to watch a movie in fullscreen on the other display it seemingly leaves a solid grey bar at the top of the screen which is very annoying. Has anyone had this experience and does anyone know how to get rid of it.
There's a solution that I've found which should solve this issue with any application that you encounter this with. 


Download the free application Nocturne
Install, launch, and click the icon in the menubar
Select Preferences > then check Dim when inactive 
Adjust the slider all the way down when desired 
Enjoy! :)





  I've been using this application for ages, and without a doubt it's
  one of my favorites.