On mobile, Youtube video changes width of page

[hatlas]

If you're on mobile, the Youtube video on the homepage is wider than the intended width of the page, so by default the entire video doesn't display. To see the entire video you have to zoom out, leaving an empty margin on the right side of the page.

[briseling]

expect the user to move to landscape mode.

[emullaney]

This was actually addressed when we found the proper css via wagtail team