. . . 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!
Vertical Tabsand aOne Line Nav Bar- Support to create 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
- Multiple Options - for Tab Size, Autohiding Tabs, Sidebar, Spacing, and More
- The Mini Button Bar - pin/unpin up to 15 buttons, drag and drop functional. Works with the following buttons:
- ✅ Firefox 120+
- ✅ Win11/Lin/Mac
(Click me) Have system theme enabled for first install, not firefox dark/light, they are different.
(Click me) Need help finding your Profile Folder?
userChrome Themes work by Having the Browser read stylized
.css text filesin a certain directory within your Profile Folder. There are two easy ways to locate this folder:
- Go to the
about:supportpage
- In the URL Bar, type
about:support. - Look at the Profile Folder row. Open the folder.
- In that folder, create a new folder named
chrome(If it doesnt already exist).
- Go to the
about:profilespage
- In the URL Bar, type
about:profiles. - Your profile will say
This is the profile in use and.... Click the Open Directory button in the Root Directory row. - In that folder, create a new folder named
chrome(if it doesnt already exist).
Important
- Download the latest version by clicking here. Or on the release page.
- In the theme zip file, copy the files from
ffultimax.x.xfolder into the chrome folder. - In the chrome folder youll see a file named
user.js, move it out of the chrome folder and into the Profile Folder. - Restart Firefox. After Firefox is open again, delete the
user.jsfile. - The
user.jsenabled userChrome, and adds settings like tab size, autohide, etc, inabout:config. - Try it out, go to
about:configthen search forultima.
Note
This method involves using Git and the Terminal - allowing easier updates. Harder for the less technical of people.
- Open a terminal in your Profiles
chromefolder. - Or in the terminal, navigate to your Profiles chrome folder
cd your\profile\folder\path\chrome. - In the terminal:
git clone https://github.com/soulhotel/FF-ULTIMA.gitto clone/update to the latest version. - In your chrome folder you'll have a file named
user.js. - Move the
user.jsfile OUT of the chrome folder and INTO your Profile Folder. - Restart Firefox. After Firefox is open again, delete the
user.jsfile. - The
user.jsfile enabled userChrome, and added theme settings like tab size, autohiding, etc, in theabout:configpage. - Try it out, go to
about:configthen search forultima.
| Dusky (Light) | Full Moon (Dark) |
|---|---|
| Sidebery Example | Add On theme |
| Add On theme | Add On theme |