Khan/khan-exercises — Issue #4553: Addition 2 - Black line on screen
Author: KhanBugz
Created: 2011-10-18 19:58:05+00:00
State: open
Labels: ie8, win7

Reporter: csmatthews@eastlink.ca

The issue I am having is that there is just a black line (about 2 cm long) that shows up on my screen when I attempt to activate new activities.

[addition_2.html?seed=192&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=192&problem=0&debug)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; CPDTDF; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET4.0C)

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