In-line footnotes with only HTML/CSS (in-notes?)
问题 Rather than below or alongside the main content, notes on FiveThirtyEight expand within or below the paragraph when the note tag is clicked. Instead of footnotes they could be called in-notes . I find them very efficient and believe they take are the most web-suited note system I have seen. (Of course, I don't really want to fanboy Nate Silver like that.) How do I code these in-notes? I have looked around and I have seen some solutions using jquery or other languages, but it looks like 538 is