I've played a few maps with the skin and I've come across a few problems, however I'm not sure if they're just on my side or not. (I'm playing with 1366x768 if that helps)
The triangle in the middle of the spinner circle is just
slightly off center and wobbles a little.
When trying to exit out of the endscreen of a map quickly, sometimes I will hit the "Watch Replay" button even though it's all the way across the screen, even if my mouse is just above the back button.
Other than that, I love the skin!