1 min lesson
Micro-interactions & the 90→100 polish
Use "Micro-interactions & the 90 to 100 polish" to tell the cases apart, then choose a response for each one.
Step 1 of 3
The JD says it plainly: get experiences from 90% to 100%. That last 10% is almost entirely micro-interactions and states - the work most engineers skip and most users feel.
A button that works is 90%. A button that has a focus-visible ring, a satisfying active depression, a hover transition tuned to ~120ms, a hit target that extends past its visible bounds and a disabled state that explains itself - that is the 100% Cursor is paying for.