TBird 60 + Themes + Headers

Discussion of features in Mozilla Thunderbird
Posts: 3
Joined: November 4th, 2016, 2:41 pm

Post Posted November 8th, 2018, 8:21 pm

I just installed ver. 60.3.0. It would be nice if themes would also affect the column header row to distinguish it from the email listing below it. For example, it would be nice if header titles like FROM, SUBJECT, RECIPIENT, DATE, etc. were a different shade to distinguish this header row from the actual email info below it. I'm talking about distinguishing these header titles much the same as the LOCAL FOLDERS title which is by default in bold text to differentiate it from it's subfolders. Why don't themes affect column header rows?
I tried about 6 new themes and they only affect the top very top Bars of TBird.
I can learn to live with what exists, but I think the addition of this distinguishing graphic would be a bonus!
Am I missing an existing way to do this? Cheers!

Posts: 3933
Joined: February 3rd, 2009, 6:29 pm

Post Posted November 8th, 2018, 10:25 pm

Try this:

Code: Select all
/* Thunderbird userChrome.css */

@namespace url("");

#threadCols > treecol {
  background-color: gainsboro !important;
  border-color: gainsboro !important;

#expandedHeaderView {
  background-color: gainsboro !important;


User avatar
Posts: 46834
Joined: July 30th, 2003, 5:06 pm

Post Posted November 11th, 2018, 7:57 am

I tried that with 60.3.0 under Windows 10 with the default theme and it appeared to only change Tags to purple. Subject, From etc. remain black. I disabled the CustomizeMyBird add-on, restarted and saw the same thing. displays gainsboro as a light grey.

I also experimented with replacing gainsboro with aquamarine2 and saw no difference. I had modified an existing userChrome.css file that I use just to change the font/size for panes and menus per . Setting the font/size still works as expected. What am I doing wrong?

Posts: 3933
Joined: February 3rd, 2009, 6:29 pm

Post Posted November 11th, 2018, 10:50 am

How about...

Code: Select all
#subjectCol {
  background-color: orange !important;

More ids: viewtopic.php?f=28&t=2435681

Also try the solution by Bozz in the above thread.

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