
Six CSS Loading Animations, No JavaScript
A small pack of lightweight loading indicators built with pure CSS, each with a reduced motion fallback and one variable to change the colour.
Every coding prompt in the collection, most liked first. Each one is free to copy and shows an example of what it produces.

A small pack of lightweight loading indicators built with pure CSS, each with a reduced motion fallback and one variable to change the colour.
What the error means. Cannot read properties of undefined (reading 'map') means orders was undefined at the moment the component rendered. The array never arrived, or it arrived under a different name. Most likely causes 1...
Stop Claude from patching symptoms. This prompt makes it rank the likely causes, tell you what to check first, and only then write the fix.
In one paragraph. This is a bookings app for small gyms. A React front end talks to an Express API in /server. Data lives in Postgres and is accessed through Prisma. Anything slow (emails, PDF invoices) goes through a job...
Paste a file tree and a few key files. Claude gives you the tour a senior engineer would: how a request flows, where things live and what to avoid.