Entice and excite your friends with a strangely addictive trick that utilizes some interesting CSS techniques ... watch it turn into the image of your choosing. The code can be downloaded to ...

As you progress through the projects — starting by creating a small personal website for imaginary friend Anna, before eventually coding your own CSS-powered robot — you’ll unlock skills.

Low-quality image placeholders (LQIPs ... not-particularly-human-readable code, or other tradeoffs. [Lean] came up with an elegant, minimal solution in pure CSS to create LQIPs.