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Description

A dark theme for firefox created using the awesome Nord color palette.

Installation

Installation script

git clone https://github.com/EliverLara/firefox-nordic-theme && cd firefox-nordic-theme
./scripts/install.sh

Script options

• -f <firefox_folder> optional

  • Set custom Firefox folder path, for example ~/.mozilla/icecat/.
  • Default: ~/.mozilla/firefox/

• -p <profile_folder> optional

  • Set custom profile folder name, for example e0j6yb0p.default-nightly
  • Default: *.default (standard default profile)

• -g optional

  • Auto enable GNOMISH extra features hide-single-tab.css & matching-autocomplete-width.css

Manual installation

1. Go to about:support in Firefox.

2. Application Basics > Profile Directory > Open Directory.

3. Open directory in a terminal.

4. Create a chrome directory if it doesn't exist.

   mkdir -p chrome
   cd chrome

5. Clone this repo to a subdirectory:

   git clone https://github.com/EliverLara/firefox-nordic-theme.git

6. Create single-line user CSS files if non-existent or empty (at least one line is needed for sed):

   [[ -s userChrome.css ]] || echo >> userChrome.css

7. Import this theme at the beginning of the CSS files (all @imports must come before any existing @namespace declarations):

   sed -i '1s/^/@import "firefox-nordic-theme\/userChrome.css";\n/' userChrome.css

8. Symlink preferences file:

   ln -s chrome/firefox-nordic-theme/configuration/user.js ../user.js

9. Restart Firefox.

10. Be happy with your new nordish Firefox.

Uninstalling

1. Go to your firefox profile folder. (Go to about:support in Firefox > Application Basics > Profile Directory > Open Directory)

2. Remove the chrome folder.

Enabling optional features

Open chrome/firefox-nordic-theme/userChrome.css with a text editor and follow instructions to enable extra features. Keep in mind this file might change in future versions and your configuration will be lost. You can copy the @imports you want to enable to a new file named customChrome.css directly in your chrome/firefox-nordic-theme directory if you want it to survive updates. Remember all @imports must be at the top of the file, before other statements.

Alternatively you can run installation script with -g flag to auto install GNOMISH features.

./scripts/install.sh -g

Known bugs

CSD have sharp corners

See upstream bug.

Icons color broken with system-icons.css

Icons might appear black where they should be white on some systems. I have no idea why, but you can adjust them directly in the system-icons.css file, look for --gnome-icons-hack-filter & --gnome-window-icons-hack-filter vars and play with css filters.

Development

If you wanna mess around the styles and change something, you might find these things useful.

To use the Inspector to debug the UI, open the developer tools (F12) on any page, go to options, check both of those:

• Enable browser chrome and add-on debugging toolboxes
• Enable remote debugging

Now you can close those tools and press Ctrl+Alt+Shift+I to Inspect the browser UI.

Also you can inspect any GTK3 application, for example type this into a terminal and it will run Epiphany with the GTK Inspector, so you can check the CSS styles of its elements too.

GTK_DEBUG=interactive epiphany

Credits

Based on the awesome gnome theme by Rafael Mardojai CM