Tap here to go to the mobile version of the site.
Your Firefox is out of date and may contain a security risk! Upgrade Firefox

Support Forum

Change sidebar background color


First, themes do NOT solve this problem.

I want to change the background color of the bookmark- and history sidebar. Changing themes does NOT change that background color - at least none of the 100 or so that I tried.

I asked Google, but nothing seemed to match, which is strange, I'd think LOTS of people would ask this (I'm usually LAST asking for any GUI changes, I always use what is there without changing a thing, but this light gray background is a bad fit for most websites right next to it).

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.5 r502


  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/20100101 Firefox/18.0

More Information

no trouble - configuration issue

  • Top 10 Contributor
  • Moderator
3202 solutions 24452 answers

Helpful Reply

This code in userChrome.css will do that. Change the color code to what you want.

 #bookmarks-view, #historyTree {
   background-color: #DDDDDD !important;



This add-on makes it quite easy to work with the 3 "user" files.

finitarry 157 solutions 2184 answers

Those sidebar colours do change with themes for me. Bloody Red sidebar looks very different from Walnut 2 sidebar, for instance.

  • Top 10 Contributor
  • Moderator
10784 solutions 97065 answers

Helpful Reply

Note that themes currently cover what used to be a persona and only style the toolbar area.
You may need to check out complete themes.