Step-by-step Instructions:
Draw a box around your content
Add a “default” state with a transition to the box
Select “Add New State” and apply another transition
With the new state selected, change the size & color of the box
Hide the text that you want to reveal when the box expands
Draw a hotspot over the card
Apply a “Show” on “Hover” interaction to the hotspot
Select your hidden text as the target
Apply another “Hover” interaction, this time “Change target state” with the box shape as the target
Select your new “Target State” and click “Save Interaction
Apply “On View” & “On Hide” animations as desired to fine tune the design