Affects Version/s: Minecraft 1.8.2, Minecraft 1.8.3
Fix Version/s: None
Environment:Yosemite V 10.10
Put the summary of the bug you're having here: There is a blue box above screen when fullscreen is triggered, But the Minecraft Fullscreen button works.
*What I expected to happen was: A fullscreen Game.
*What actually happened was: A blue box appeared above my game
Steps to Reproduce:
1. Open minecraft to 1.8.3 (not maximized)
2. once IN A WORLD press the little green button to maximize the screen to full(sometimes you need to press the minecraft fullscreen button on and off then press the green button)
3 Next Look at the box above your screen (Its blue for me)