I recently installed the AddThis vertical (floating) sharing tool and now the bottom part of my nav menu disappears when scrolling down the page and/or when hovered over. See example here: http://www.sustainable-live-work-play.com/about.html.
I removed the new AddThis code form the home page (here: http://www.sustainable-live-work-play.com/index.html) and the problem resolves.
Any help, much appreciated--thx!
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