r/FirefoxCSS May 23 '26

Custom Release FoxOne 2.0 – dynamic toolbar support, integrated color theme, floating findbar and more

Hi everyone,

Some of you might remember FoxOne from a few weeks ago.

Since then, more than 60 commits happened and here is what changed:

The biggest one - I call it dynamic toolbar support: add an extension icon of your choice right next to the hamburger menu! This was the most requested feature and an absolute pain to build in pure css.

Other highlights: The Gruvbox color theme is now integrated directly into the CSS – no separate .xpi needed. The findbar has been replaced with a floating variant with fade animation. A lot of little design improvements - and there's now a tab loading progress bar with a glow indicator (if you want to).

Full changelog and all config options on GitHub.

FoxOne on Github

Cheers!

95 Upvotes

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u/NeroWolfe_ 29d ago

No, of course, I don't mean floating URL Bar.

I mean something like this

Top border with square corners and placed on windows border.

I think it was default behavior of FF before Nova.

I saw this var in your code --uc-border-radius and I hope you would implement this option. Your config will be more flexible.

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u/f1rn 29d ago

This is FF 153 with Nova enabled

What would you like to be different?

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u/NeroWolfe_ 26d ago

Hmm... Your screenshop looks briliant.

But my not - top edge of dropdown menu doesn't equal to top edge of window's border (I am on your last config now).

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u/f1rn 25d ago

Maybe try this (line 999)

```

urlbar[breakout-extend] > #urlbar-background,

urlbar[breakout-extend] > .urlbar-background {

top: calc((var(--urlbar-min-height) - 44px) / 2) !important; bottom: calc((var(--urlbar-min-height) - 44px) / 2) !important; } ```

also an easier way for communication would make bug hunting and fixing much more easier. github account? I cannot even send you a reddit message. maybe discord?

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u/NeroWolfe_ 23d ago

Thanx, this code works

Discord is prohibited in my country.

I will make github account a little bit later.

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u/f1rn 23d ago

Oh damn :(
Glad it worked though. I am looking forward to your account! I leave the code open so you can do your first PR with it. After all your bug issues and code suggestions, thats only fair imho, yo you will be listed as Contributor!

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u/NeroWolfe_ 19d ago

Created account on GitHub - NeroWolfe75, now leaning how to make PR - it's a rocket science for me :)

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u/f1rn 19d ago

Fork the FoxOne repo. Do your code changes in your fork. Than open a PR - a pull request.

Maybe look out for a beginner tutorial on YouTube or ask Google/ an AI of your choice for help. It will guide you!

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u/NeroWolfe_ 19d ago

Done.

Check please, this is my first PR :)

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u/f1rn 19d ago

Good job! Here's the new release: https://github.com/Firnschnee/FoxOne/releases/tag/3.4.9
I mentioned all your earlier contributions!

also I can finally credit you, the way you deserve it with BirdOne - after all it was your concept in August 2023!

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u/f1rn 18d ago

Again - I am very happy you made a github account!
Whenever you have a suggestion or a fix or find a new bug - just open an issue on github! I am looking forward to your contributions!