People say I'm the king, but like... yeah this stuff is insane 😅. Make sure you check out the codepens below so you can see them all in more detail, all so amazing!
The codepens I looked at:
Bouncing off the walls...
https://codepen.io/amit_sheen/full/abBgWvJ
CSS 3D Bending Effect - Page flip by Fabrizio Bianchi:
https://codepen.io/_fbrz/pen/whxbF
CSS Only iPhone 6 Fabrizio Bianch:
https://codepen.io/_fbrz/pen/vlrnd
Attempt #1 CSS3 Clickable Slider by John Motyl Jr:
https://codepen.io/johnmotyljr/pen/cDpEH
CSS-only directionally aware hover by Giana:
https://codepen.io/giana/pen/YZWjQy
Clip Clop Clippity Clop [CSS Only] (the horse) by Steve Gardner:
https://codepen.io/ste-vg/pen/oKYjKV
STAR WARS AT-AT Walker:
https://codepen.io/r4ms3s/details/gajVBG
CSS-only Calendar App Concept by David Khourshid:
https://codepen.io/davidkpiano/pen/wBGjMr
CSS only 3d Macbook Air:
https://codepen.io/neoberg/details/istyp
Solar System Explorer in CSS only by Jamie Coulter:
https://codepen.io/jcoulterdesign/pen/ZxXbeP
CSS-Only Cube Pack by David Khourshid:
https://codepen.io/davidkpiano/pen/aqNZxX