leepli on "[Plugin: Tabs Responsive] WYSIWYG Grays Out"

Hi,

When I click on the WYSIWYG editor it opens a pop up that grays out the entire top 3/4 of the screen and cannot do anything to get out of it except refresh or go back.

Screenshot: http://kaplanvancouver.ca/wysiwyg/

https://wordpress.org/plugins/tabs-responsive/