Instructions:
Part 1: Installing the custom CSS
- Open a new firefox tab and go to about:config -> accept the risks.
- Search for toolkit.legacyUserProfileCustomizations.stylesheets and toggle it to true (by double clicking on it).
- Open a new firefox tab and go to about:support -> Click Open Folder button for Profile Folder
- Inside your profile folder, create a new folder named chrome (All lowercase)
- Inside the chrome folder, place the userChrome.css file. You can download the latest version of this file from the Releases Page.
Part 2: Installing the color theme
- Grab the theme from Firefox Add-on
- Restart Firefox
- inspect outer border on toolbar when in windowed mode
- change the border color for the search bar when there is text selected but it is not focused from blue to something else