Double scrollbar and footer issues

[jrbourbeau]

Copied this over from @TomAugspurger's original comment here https://github.com/dask/community/issues/220#issuecomment-1147721844

Question about the new dask-sphinx-theme. On https://ml.dask.org/ I get a double vertical scrollbar:

And I'm not sure if it's related, but the footer is cutoff halfway:

[jrbourbeau]

cc @scharlottej13 @jacobtomlinson in case you have some bandwidth to look at this

[scharlottej13]

Thx for creating the issue @jrbourbeau! I can take a look this week.

[jacobtomlinson]

I have bandwidth to review but not investigate directly so thanks for taking this on @scharlottej13.

[jsignell]

Closed by #75