I am using the Overleaf thesis format and I would like to change some parts of the thesis because the style is a little bit different. I am using the below style
Firstly, I tried a lot to delete the rectangle box make some font size for both Chapter 1 but I unable to remove it. Require Some help please.
Secondly, I would like to change the font family of the above thesis and try to use the font family of the below thesis. I do not know the font family name of the below thesis.
Lastly, I would like to change the font color of the list of contents from Blue to Black, I failed.