Skeleton shimmer
A skeleton loader with an animated light sweep — a shimmer that passes across placeholder shapes.
What you're seeing
The skeleton grey boxes have a soft light that travels across them from left to right.
Where you'll see it
Same as skeleton loader — the shimmer adds polish.
Difficulty
Very low — 1/5
Libraries that build it
CSS only
Ready to prompt — paste this into your AI coding tool
"Overlay a gradient that animates from left -100% to right 200% using CSS keyframe on skeleton elements"