Strange grey border around facebook app

[anon(677651)]

Doesn't always happen. It seems like a screen resolution for smaller screen devices.

 

[anon(156377)]

I would force stop and then clear the cache for Facebook.

 

[anon(677651)]

Doesn't always happen. It seems like a screen resolution for smaller screen devices.

I did that. It happened again...

 

[madcrabs]

Happened a few times on my nexus 5 and last night on my wife's s5. It's Facebook, not the phone, in case you were worried.