Web design never felt like art, so I’d say my first art created with code was probably this. Sprite-stacking with CSS.

Each woods tile uses the same stack of sprites, but rotation + z-depth from the stacking hides it super well.

https://bsky.app/profile/did:plc:iyfmhupl33sdqn3oqe2up2nn/post/3mmkdbgn4lc2w