after updating to flickity 3.0 carousel started to display slides one on top of the other

[b-novikov-ipersonality]

demo: https://codesandbox.io/s/infallible-driscoll-hui4dy?file=/src/App.js

[yaodingyd]

Please hold off using v3+ as the author states it's not stable yet.

https://github.com/metafizzy/flickity/issues/1210#issue-1161562881