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Multirow on Firefox Quantum

  • 2 replies
  • 1 has this problem
  • Last reply by jscher2000

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I am trying very hard to use Firefox Quantum and move on from Firefox 56, and the one thing that most drives me crazy is the single row for tabs.

I've tried implementing workarounds with the userChrome.css, such as the one found here: — but all my attempts have failed.

Does anyone know of another solution?

It's been horrible using a browser with only one row for tabs. It's very hard to find the tabs I want and to manage my open tabs, even using the menu which shows all of them. I often have no idea of how many tabs I have open, and I often end up with multiple tabs for the same page because I am not aware that it is already open or because it would take too long to find it.

With Firefox 56 and Tab Mix Plus, I usually had around 40 to 50 tabs open most of the time, and when I'm researching stuff this number easily gets to the hundreds for a while. With Firefox Quantum I have been unable to manage my tabs properly: I end up with much more tabs than I really need and it's hard to keep then organized.

I feel like I am struggling to save a marriage that can't be saved. I don't want to leave Firefox, but it's becoming unbearable. Feel free to suggest another browser as a solution to my problem.

All Replies (2)

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One solution is to temporarily use an older version of Firefox. For example, Waterfox is available at . It should work exactly as you want.

Another solution for regular Firefox is provided at . If you have any trouble with this modification, see if the answer is at .

Modified by David Spector

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A good site to find up-to-date CSS hacks is:

For example:


as working in Firefox 66. I haven't tried it myself.

Also, if you want to see whether a tab is open, you can use the "switch to tab" feature. Type the relevant text strings in the address bar, and check the autocomplete drop-down for a row with a tab icon you can use to switch to that tab. Works best if pages have fairly unique titles or URLs.