Floating Social Very Buggy - Not Displaying on All Pages, Looks Broken on IE

This issue was brought to our attention by our users tonight. The floating social bar shows up on Safari but is very broken on Internet Explorer. I know that IE is problematic, but it is the most widely used browser and I can't convince our users otherwise.

Also, the floating social bar works on some pages of the site and not others when I view it from Safari. Some pages show the social bar and others don't, even though those pages have not been excluded.

Here is a few examples of where it does not show up at all and should:
http://pugs.org/2015-membership-dues/

http://pugs.org/gallery-of-winners/

Please check and advise. Support access is granted and I am hoping that I will not have to uninstall this feature because I can see our users are using it.