I'm doing cross-browser testing, using the floating bar on my blog posts. For some reason, Google +1 doesn't show on the bar in IE7. It's there for IE8,9,10 and of course Chrome, Firefox, Safari and Opera.
The negative space is there for the Google +1, but the aggregate bubble and button do not display. Again, this is only a problem in IE7 for some reason.
up on testing site at builder.xigko.com if you need to see it.