Firefox: elements with position "absolute" or "fixed" get moved when filter is applied #5
Description
Testing with a .navbar-fixed-top from Bootstrap.
Before show:
After show:
More info: http://stackoverflow.com/questions/37949942/firefox-position-bug-by-parent-with-filter
The filter can't be applied directly to the body like the above post suggests, because we need to show content above the blur.