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update to version 31.0 made address bar too wide which hides bookmarks, can't be changed in settings

  • 3 replies
  • 4 have this problem
  • 33 views
  • Last reply by cor-el

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i expect to control the size of the address bar when settings are open but i can't. it takes up the whole width of the page. mozilla shouldn't change my stuff when doing updates. they suck.

i expect to control the size of the address bar when settings are open but i can't. it takes up the whole width of the page. mozilla shouldn't change my stuff when doing updates. they suck.

All Replies (3)

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There is a bug in Firefox 31 if you use the Customize feature to move the "Bookmarks Toolbar Items" from its normal spot on the Bookmarks Toolbar to the main Navigation Toolbar. Instead of splitting between some bookmarks being visible and some overflowing to the >> drop-down, they all overflow. And then the address bar expands to fill the extra space.

This currently is scheduled to be fixed in Firefox 34, but hopefully can make it into Firefox 32 & 33.

As a temporary workaround, some users are moving everything from the main Navigation Toolbar to the Bookmarks Toolbar and using the Classic Theme Restorer extension to hide the main Navigation Toolbar. See: Why will FF 31 no longer display my Bookmark Toolbar Items in another toolbar. Not a pretty workaround...

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i really appreciate this quick, thorough & very helpful answer. i'm marking it as 'not solved' because i shouldn't have to use a temporary run-around for the duration of 3 more updates when moz broke my stuff in the first place. this doesn't reflect badly on your answer at all :)

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You can use code in the userChrome.css file (or use Stylish) to repair this regression.

Add code to the userChrome.css file below the default @namespace line.


@namespace url("https://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */

#nav-bar-customization-target > #personal-bookmarks {-moz-box-flex:1!important;}


The customization files userChrome.css (user interface) and userContent.css (websites) are located in the chrome folder in the Firefox profile folder.

You can use this button to go to the currently used Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
  • Create the chrome folder (lowercase) in the <xxxxxxxx>.default profile folder if this folder doesn't exist
  • Use a plain text editor like Notepad to create a (new) TEXT file in the chrome folder (file name is case sensitive)
  • Paste the code in the TEXT file in the editor window
  • Make sure that the userChrome.css file starts with the default @namespace line
  • Make sure that you select "All files" and not "Text files" when you save the file via "Save file as" in the text editor as TEXT. Otherwise Windows may add a hidden .txt file extension and you end up with a not working TEXT.txt file