I have tried using Multirow Bookmarks Toolbar Plus and Roomy Bookmarks Toolbar Firefox add-ons, but the problem is that they are constantly stressing my CPU (even when idling). It probably has something to do with version 11 of the browser. Anyway, is there some clean way to increase the height of the bookmarks toolbar and allow it to display bookmarks on multiple rows?

I've read a lot of articles that refer to userChrome.css and I have tried a dozen solutions, but none worked because they were outdated. Please help me with this.

2 Answers 2


The following userchrome trick seem to work. Easiest way to edit userchrome is by using stylish addon. Install the addon and goto Add-ons > User Styles > Write New Style. And paste the following code.

.bookmark-item {
  margin: 5px 2px 10px 2px !important;
  font-size: 15px !important; 

Change the values as you need and click on preview to view it. Then save it. For margin: changing first and third pixel value will change the height. The font-size: line will change the font size of the bookmark text. Remove it if not needed. You can enable/disable this anytime you want without restarting firefox through stylish.

  • Thank you, Nufail. That indeed helped increasing the height of the bookmarks toolbar, but I was looking for a way to enable multi-row bookmarks toolbar. I edited my question to make it clearer. Found an article here that shows some code which can be used with the useful add-on you linked me to. It enabled multi-row bookmarks toolbar, but the CPU still gets stressed because of it, so I guess it is a Firefox thing. Thank you for your help!
    – IneedHelp
    Mar 25, 2012 at 2:53

The one available directly seems to be bugged, but please try this

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