The current font size of the file sidebar is to small for me. How can I make it larger?
This question has been answered for Sublime Text 2 but worth mentioning if you are in version 3 is that you can simply copy a package file and place it in your ../Packages/User directory then override the settings there.
EDIT:
You may have to dig around some in order to find where ST3 files were placed during installation.
I'm using Ubuntu and ST3's Main Package files are located at opt/sublime_text/packages. I then copy the package to override into the .config/sublime-text-3/Packages/User directory and then make my edits to that package.