They worked two days ago!
Shauna passed away some time ago and her site has been being maintained by MVPs as a public service.
Much, if not all of it is on the web archive. Here is a link there.
Archive How to create numbered headings or outline numbering in Word 2007 and Word 2010
Once you are on one page, you can navigate to other pages in the site using the links on an archived page.

Here is the bullets link: How to control bullets in Word 2007 and Word 2010 | ShaunaKelly.com



I would guess the site will be back up soon.
I find the web archive an invaluable resource and donate annually to help with its upkeep.