← I Can Finally Delete My max-height: 9999px Animation HackQuiz
calc-size() and interpolate-size — animating to height: auto
Check what actually stuck: why height: auto never animated, what the old workarounds cost you, and how calc-size() and interpolate-size close the gap for real.
questions8
pass mark70%
resultsat the end
No account needed. Answer all 8 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.