Font colour and format changing?

[Lamya]

Hello,

I am using a master document to bring nine chapters/documents together. Since I started using the master document, I have been facing the following problems in the format of the text:

1. parts of the text keep changing to navy blue automatically, now most of it is in the automatically entered table of contents. Every time I change it to black, it changes to blue again after I close and re-open the document.



2. Font size and font type of certain parts of the text, some in the table of contacts and some within the body of the document, also change by itself. I used style and formatting to apply the setting of other text on them, but again, after closing and re-opening the doc, the same problem appears.

3. When I open the subdocument separately, some mixed font sizes appear. I had to send documents to my instructor, but they complain about the 'variety' in font sizes, although this does not appear in the master document itself.

Thank you for your time!