It only seems like almost 30 years since CSS was first announced, forcing the first generation of web developers to rapidly dump spacer-gifs and other such nastiness.

https://codepen.io/t_afif/full/JoKYwXO

It's-a-Chrome only!


If you enjoyed that, some other adventurous CSS practitioners have also had a crack at the Mushroom Kingdom..

Super Mario World made only with CSS gradients - no JS, no embedded images/data URIs, no external…
In this post, I’ll be brief. Allow me to get straight to the point.

Pure CSS animated 3D Super Mario Icon - An experiment by Andreas Jacob
Pure CSS animated 3D Super Mario Icon