CSS Transforms & Transitions - Transition: Property & Duration

This topic is for the [Transition - Property & Duration][] exercise in the [CSS Transforms & Transitions][] trail. Post any questions, corrections, or pointers you have to share with other Upcase subscribers.
[Transition - Property & Duration]: https://exercises.upcase.com/exercises/transition-property-duration
[CSS Transforms & Transitions]: https://thoughtbot.com/upcase/css-transforms-and-transitions