Thunderbird is the leading free and open-source email, calendaring, newsfeed, and chat client with more than 20 million active monthly users across Windows, macOS, and Linux. One of Thunderbird's core principles is the use and promotion of open and decentralized standards.
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I've managed to customize Thunderbird to better fit my KDE theme using the browser toolbox as guide. However, the toolbox doesn't work for the new message window. I can't find out how to change the default background color there. I would appreciate If anyone could point me in the right direction. The screenshot shows the part I'm trying to modify.
Thank you so much for taking the time to teach me how to fish. I admit I was not seeing myself crawling through the source to find out how to alter those settings.