Challenge
No
Make a card grid that's one per row on extra small devices, two per row on small and medium devices, and three per row on devices larger than medium. You'll need at least four cards to show the effect.
Make the cards about anything you want. Give each card at least a photo, and some text. You can add more content if you want.
Here's what I made. It looks like this on an extra small screen:
Go big:
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