Display the cards as cube for all viewing modes and update the animations
Display the active card as a cube, see following example: https://codepen.io/desandro/pen/KRWjzm
Prerequisite bkp.flashcards#987 and bkp.flashcards#992
Display the active card as a cube, see following example: https://codepen.io/desandro/pen/KRWjzm
Prerequisite bkp.flashcards#987 and bkp.flashcards#992