What version of starlight are you using?

0.11.1

What version of astro are you using?

v3.3.2

What package manager are you using?

pnpm

What operating system are you using?

Windows

What browser are you using?

Edge

Describe the Bug

The height and width are not correct with an embedded YouTube.

In this screen you can see height and width in my code differ from actual height and width.

Link to Minimal Reproducible Example

https://stackblitz.com/edit/github-nfsqau?file=src%2Fcontent%2Fdocs%2Fguides%2Fexample.md

Participation

• I am willing to submit a pull request for this issue.