Design/Link colors

Examples
[actual links. Using the order per table above, using links you've probably not/probably visited.]
 * unvisited
 * local: Category:Extensions/de-formal
 * interwiki: foobarbang
 * external: https://www.example.org/123
 * visited
 * local: MediaWiki
 * interwiki: Main Page
 * external: https://en.wikipedia.org/