9b5bb62aa7
Commit a277f8e0e1003b6c60d82f37f557e115a2781419 prevents icons from being scaled when the global desktop resolution changes which is wrong since symbolic icons are supposed to be treated like text. Instead of specifying their size in pixels, go back to em but with a value adjusted to the new font size that actually yields unscaled symbolic icons for the default resolution. https://bugzilla.gnome.org/show_bug.cgi?id=671657