Align item. Help!!!!

Question

Here I was trying the flex elements.
The justify content worked but....... the align item doesn’t work.
Can someone help me??

https://code.sololearn.com/WE81f8UbwpQy/?ref=app

I used a red emoji to make it easier to find the align item.

Thank you in advance.

Answer 1

Add the height property to get effect on the align-items property.
https://code.sololearn.com/WE6YUBQp2rAV/?ref=app

Answer 2

Justify-content value should be center as well.