Black screen when reducing the size of the page

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mastermine94

Member

10-06-2010

13" Macbook pro 7.1
Intel core 2 Duo
2.4GHz
4 GB ram
NVIDIA GeForce 320M

Whenever I try and reduce the size of the League of legends screen, underneath the screen appears a black cover. I posted a picture to show what i mean. On my PC this never happens, but on the mac it does.