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Thunderbird 115.0 64bit - change background colors

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was recently forced to upgrade to winblows 11.. in the previous version of Thunderbird, 102.2 64 bit, I could follow these instructions to background colors in the various panes .

https://support.mozilla.org/en-US/questions/1389364

Now with version 115.0, I am having issues getting it to work.

the CSS file I am using is

  1. threadTree > treechildren {
 font-size: 16pt !important;
 font-family: Times !important;
 background-color: lightgrey !important;
 color: navy !important;

}

  1. folderTree > treechildren {
 font-size: 16pt !important;
 font-family: Times !important;
 background-color: lightgrey !important;
 color: navy !important;

} after I follow the instructions, carefully, nothing happens. see screenshot attached...

I have 2 questions:

1 - what am i doing wrong? 2 - In the attached screenshot, how can I get rid of that toolbar in green on the left?

was recently forced to upgrade to winblows 11.. in the previous version of Thunderbird, 102.2 64 bit, I could follow these instructions to background colors in the various panes . https://support.mozilla.org/en-US/questions/1389364 Now with version 115.0, I am having issues getting it to work. the CSS file I am using is #threadTree > treechildren { font-size: 16pt !important; font-family: Times !important; background-color: lightgrey !important; color: navy !important; } #folderTree > treechildren { font-size: 16pt !important; font-family: Times !important; background-color: lightgrey !important; color: navy !important; } after I follow the instructions, carefully, nothing happens. see screenshot attached... I have 2 questions: 1 - what am i doing wrong? 2 - In the attached screenshot, how can I get rid of that toolbar in green on the left?
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All Replies (2)

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Try this.

Folder pane:

@namespace html url("http://www.w3.org/1999/xhtml");

#folderPane {
background-color: #87CEFA !important;
font-family: Times !important;
color: navy !important;
}

Threads pane:

@namespace html url("http://www.w3.org/1999/xhtml");

table[is="tree-view-table"]{
background: #87CEFA !important;
font-family: Times !important;
color: navy !important;
}

To change the font size, use View/Font Size.

To have the font-family applied, 'Allow messages to use other fonts' must be checked in Settings/General/Fonts & Colors, Advanced.

Code supplied by users here.

Help/More Troubleshooting, Profile Folder, Open Folder, close TB, create a new folder named chrome, create a new document in chrome with a text editor, name it userChrome.css (userContent.css), Save as type: All files *.*, copy in the above code, change the numbers and colours as desired. Double-click toolkit.legacyUserProfileCustomizations.stylesheets to true in Settings/General/Config. editor, restart TB.

https://www.userchrome.org/download-userchrome-css.html

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Zaɓi Mafita

To hide the Spaces toolbar, click the arrow icon in the attached picture.