See itExplore the model1 / 5
Parent or child?
Flexbox and grid are set on a parent box, the container, and they arrange its children. Drop each property where it belongs.
Cards
Drag a card, or tap it and then tap where it goes.
On the container (parent)
Arranges all the children
Drop here
On an item (child)
Changes just that one child
Drop here
Next unlocks when this is right.