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What happened to browser.tabs.ontop setting

  • 3 replies
  • 4 have this problem
  • 846 views
  • Last reply by Questor

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I would like to place the address bar above the tabs. Is this still possible?

Chosen solution

Try use the Classic Theme Restorer, from version 29 isn't put the address bar above the tabs bar, but with Classic Theme Restorer add-on you can!

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Chosen Solution

Try use the Classic Theme Restorer, from version 29 isn't put the address bar above the tabs bar, but with Classic Theme Restorer add-on you can!

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You can move the tabs to the lower position just above the browsing area without using an extension with code in userChrome.css because you only need to give the Tab bar a higher -moz-box-ordinal-group value (most toolbars have a default -moz-box-ordinal-group:1 to show them in DOM order).

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


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

#TabsToolbar{ -moz-box-ordinal-group: 10000 !important; margin-top: -1px !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:

Modified by cor-el

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Sorry, userChrome.css doesn't seem to work in version 35.0.1