<demo>

### Embed Video

A `4:3` video.

```jsx live
<AspectRatio ratio={4 / 3}>
  <iframe
    style={{ width: '100%', height: '100%' }}
    src="https://www.youtube.com/embed/dpw9EHDh2bM"
    frameBorder="0"
    allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture"
    allowFullScreen/>
</AspectRatio>
```

</demo>
