Screenshots won't pick it up so I traced it with an editor. I'm curious if its common... Not really much of a bother, just wanna know how to possibly fix it. The inside of the shape is only slightly darker than the rest of the screen, and I only see it on dark colors.
Motorola Droid Bionic running CM 10.2.1

Motorola Droid Bionic running CM 10.2.1