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Old 08-20-2010, 09:43 AM   #1
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Registered: Aug 2010
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Question firefox 3.6 and up - can i adjust the width of the vertical scrollbar

I'd like to widen the width of the standard vertical scrollbar in firefox 3.6 or above. I know now that it is not an edit in about:config and appears that you have to edit in user.js, prefs.js, or in the Profile folder but I 3 prefs.js in my profile folder -
prefs-1.js and

Secondly, I cannot find the user.js file. Need help on its location if it is still a viable file to edit. Also need help on which (or what) prefs file I should concentrate on for this edit.

Plainly, it shouldn't be this tough to adjust the vertical scrollbar width, in a perfect world it would be adjustable though Windows. Anyway,
this old fart's having difficulty grabbing that scrollbar.

Any help from a Mozilla spert out there would be greatly appreciated.

Thanks, Brian
Old 08-20-2010, 10:34 AM   #2
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hello, i use xubuntu with firefox and my scrollbars are very thin. What i did was some basic play with themes/apperiances.
Old 09-19-2010, 09:03 AM   #3
Registered: Sep 2004
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Put this in your chrome/userContent.css file and try it out.

/* change width of vertical scrollbar */                                                             

scrollbar[orient="vertical"] thumb,                                                                  
scrollbar[orient="vertical"] scrollbarbutton {                                                       
        max-width: 20px !important;                                                                  
        -moz-appearance: none !important;                                                            

/* change width of horizontal scrollbar */                                                           

scrollbar[orient="horizontal"] thumb,                                                                
scrollbar[orient="horizontal"] scrollbarbutton {                                                     
        max-height: 20px !important;                                                                 
        -moz-appearance: none !important;                                                            
I used to use this, but no longer. Whether it works or not depends on whether firefox has changed much since I used it. In any case, it is a pointer in the direction you should be looking, since if it does not work, it just means you will have to see what has changed in firefox and change the code accordingly.
Old 09-19-2010, 08:37 PM   #4
Registered: Mar 2010
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Distribution: Linux Mint 17.1
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