The simplest porfolio, made with simple vanilla HTML & CSS. Check it out here.
Feel free to use it as a base for your own portfolio 😉
I added a simple 3d scene to showcase how to do that for those interested as well.
3D Model : https://sketchfab.com/3d-models/thinking-emoji-42140a29ce224e33a3e96c3e4963c4e3