/VerticalFox

Firefox theme with Edge like auto-hide vertical tab bar and minimalism design. Powerd by Sidebery.

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VerticalFox

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Get an Edge like auto-hide vertical tabs bar on Firefox! Powerd by Sidebery, you can have your bookmarks, pinned tabs all in side bar and get a clean, compact look. Support MacOS and Windows.

I'm only working on compatability with the latest stable release of Firefox, if you find any flaws, please update your browser first.

The auto hide also works on Tree Style Tabs, but you may need to adjust the css to achieve the best look.

How to apply

  1. You need to have Sidebery installed.

  2. Download the files in release according to your operation system. You can also directly use the source files you need.

  3. If you haven't customized your Firefox before, check out this guide for how to set up your Firefox and the profiles. TL;DR version:

    1. Navigate to about:config in the address bar and accept the risks.
    2. Search for toolkit.legacyUserProfileCustomizations.stylesheets and toggle it to true (by double clicking on it).
    3. Navigate to about:support in the address bar, under Application Basics, find Profile Folder and open it. You should now see your profile folder.
    4. Inside your profile folder, create a new folder named chrome (all lower case).

  4. Once you have your chrome folder under your profile directory, copy the userChrome.css you downloaded into chrome. Alternatively you can create a blank userChrome.css and paste the code. Restart your browser.

  5. Go to the settings of Sidebery, go to Styles editor, paste all the code from sidebery_styles.css.

When you switch between light and dark browser theme, remember to also change it in sidebery settings for best experience: appearance -> color scheme

Now you can enjoy your new Firefox!

Frequently Asked

Q: Dark mode doesn't work (or behaves abnormally).

A: Set your system theme as dark, then set your Firefox theme as 'auto' in Extensions & Themes. If it still doesn't work, go to releases and use the files in the dark only release.


Q: How to move sidebar to the right?

A: Before you apply userChrome.css, click the header of sidebar, click 'move to right side'. If you have applied userChrome.css, find the comment /*hide the sidebar header*/ then delete or comment out the section between this comment and /*AUTO HIDE SIDEBAR*/, the header will appear.


Q: How to disable sidebar auto-hide?

A: Go to the comment /*AUTO HIDE SIDEBAR*/, delete the next 10 lines of code below it.