The `align-items` property governs the vertical arrangement of flex items. Its default value is `stretch`.
```css
align-items: stretch | center | flex-start | flex-end | baseline;
```

Let's run the following examples to get where do we need it.

### stretch
It means that we extend items to the entire length of the cross axis.

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### center
Items are in the center of the cross axis.

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### flex-start
All items start at the beginning of the cross axis.

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### flex-end
All items are in the end of the cross axis (in the end of the parent flex container).

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### baseline
All flex items are aligned based on their text content baseline.

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Which of the following values can be used with the `align-items` property?

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CSS Fundamentals

Aligning Items Vertically

stretch

center

flex-start

flex-end

baseline