https://www.neilvandyke.org/
It's the same look for a couple decades. Used to be HTML tables, currently responsive CSS (see the 3 simple width modes).
Generated by an ancient Emacs Lisp program.
The late '90s version kludged a color-coded two-level tab site-wide navigation scheme out of `table` elements, no images. The only remaining example (with tab text removed) is: https://www.neilvandyke.org/lab-linux-1999/