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Web Browser Functionality

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This question is regarding the up and down slider bar on the right side of the browser used to scan up and down a web page. I don't mind the automatically hiding vertical slider bar, but when I hover over it and it expands, it remains too narrow. It makes it a annoying to try to left-click on with a mouse.. I often miss the first try now, where that wasn't a problem with the standard legacy width.

How do I make the slider wider- easier to click on- when I hover the mouse over it?

Thanks!

'''bold text''' This question is regarding the up and down slider bar on the right side of the browser used to scan up and down a web page. I don't mind the automatically hiding vertical slider bar, but when I hover over it and it expands, it remains too narrow. It makes it a annoying to try to left-click on with a mouse.. I often miss the first try now, where that wasn't a problem with the standard legacy width. How do I make the slider wider- easier to click on- when I hover the mouse over it? Thanks!

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Hi, I'm still on Windows 10, so I can't test this, but could you try it:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button accepting the risk.

More info on about:config: Configuration Editor for Firefox. The moderators would like us to remind you that changes made through this back door aren't fully supported and aren't guaranteed to continue working in the future.

(2) In the search box in the page, type or paste scrollbar. and pause while the list is filtered

Firefox should display 10-12 preferences.

(3) Double-click the widget.non-native-theme.win.scrollbar.use-system-size preference to switch the value from true to false

With that preference set to false, you should be able to set your own width...

(4) Double-click the widget.non-native-theme.scrollbar.size.override preference to display an editing field, and change the value to 17 then press Enter or click the blue check mark button to save the change.

Note: 17 is based on Windows 10. You can use whatever value makes you happy. If you reset it back to 0, it will use the OS default width.

Does that work?

There's also one other interesting one you could experiment with. This affects the appearance but, as far as I can tell, not the width:

(5) Double-click the widget.non-native-theme.scrollbar.style preference to display an editing field, and change the value to 4 then press Enter or click the blue check mark button to save the change.

With this preference, "0" follows the system default, "4" should follow Firefox's "Windows 10" theme, and "5" should follow Firefox's "Windows 11" theme.