2 out of 3 is good! Now for the remaining change of behavior. For several years, a bit of code has produced a pop-up box containing a footnote or reference when a link was hovered. It still works, but now if the pop-up box overlaps an image, the text avoids the image below. You can see problem if you paste the attached code into the Try It Editor at
http://www.w3schools.com/html/tryit.asp?filename=tryhtml_images_mountain
and hover on 'paradigm'.
Something in <style> needs to be changed (apparently to keep up with bug fixes in html), but I can't find it. It seems to me that z