She did all the drawings. I digitized them and added them to the page as inline SVGs. Then I wrote the code. Nothing fancy — it's just one HTML page with a few links. But I like the end result (yes, I'm 100% biased): https://kevin.tw
Fun technical facts: the page is entirely self-contained (except the favicon). It doesn't have any JavaScript at all. And it weighs 35Kb total (52Kb if you include the favicon).