Hashnode isn't really a good place to make an exposé post about someone.

+1 I really like webmentions, it's like a universal comment/reaction system and it can even be used with twitter/github with something like bridgy .

By default linear-gradient will go from top to bottom. The bottom is supposed to the the underline part. So, 60% is invisible (the top part) and 40% is color (which is the bottom part, the underline)