FF ULTIMA...

. . . a sequel to Perfection FF CSS Theme

Beautiful. light-weight. a 100% easy-mode theme. and a 100% over-the-top name to break the fourth wall!

Features

• No extensions used, No sidebar extensions needed
• Vertical Tabs and a One Line Nav Bar
• Support to create your own color schemes, or just go to the addon store
• Full Moon (Dark) and Dusky (Light) cycle depending on your systems current color mode
• New Tab Page Overhaul. @hachikoharuno
• Three options for Tab size - live preview
• Autohide Tabs - enable/disable
• The Mini Button Bar - pin/unpin up to 15 buttons, drag and drop functional. Works with the following buttons:

Requirements

• ✅ Firefox 120+
• ✅ Win11/Lin/Mac

Installation

There are 2 ways to install this theme, both have their drawbacks and strengths. Choose one.

The Easy Way, get it and go:

1. Download the latest version by clicking here. Or on the release page.
2. Find your firefox profile folder by typing about:support in the URL BAR.
3. On the about:support page, youll see your profile folder in the blue table. Open it.

4. In that folder create a new folder named chrome (if you don't have the folder already).
5. In the zip ffultimaX.X.X.zip, copy the files from the ffultimaX.X.X folder into the chrome folder.
6. Inside the chrome folder is a file named user.js, copy and paste it into your Profile Folder.
7. For user.js to apply, restart Firefox. THEN, once FF is open, delete the user.js files.
8. user.js will let you change settings like tab size and autohiding from the about:config page.
9. Video below..

The Hard Way, using Git:

:warning: To use this method you should be accustomed to the basics of Git and Terminal usage, and have Git installed.
🔄 This way enables easier updating, although it is harder to set up for less technical people.

1. Locate your Firefox Profile Folder.

2. Open a terminal in the chrome folder.
3. In the terminal, navigate to your profile folder path cd your\profile\folder\path.
4. Now write or paste git clone https://github.com/soulhotel/FF-ULTIMA.git to clone/update the theme to the latest version
5. After cloning is completed, open the chrome folder.
6. Copy and paste the user.js file into your Profile Folder. :warning: you're bringing this file out of the chrome folder, and into the Profile Folder.
7. Restart Firefox. THEN once its open, delete the user.js file, this will apply it to your profile.

Extra Modifications

Changing tab sizes and autohide? Creating Color Schemes? Something else? Come over to the modification page...

Previews

Click images for a higher resolution

Dusky (Light)	Full Moon (Dark)
Add On theme	Add On theme
Add On theme	Example of view in 2 tab extension

Enjoy