The 'fix' as I said, is to use properly-configured Styles instead of overriding existing Style definitions with disparate formatting. See:
https://support.office.com/en-us/art...7-1eb120dec563
http://www.addbalance.com/usersguide/styles.htm
http://www.shaunakelly.com/word/styl...sonstyles.html
http://shaunakelly.com/word/styles/stylesms.html

I have not attempted to 'fix' your document as I don't really know what the Style requirements might be.

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]