FlatStyle for Thunderbird 0.9.2.6
oleh Dennis Verspuij
This gives you a style similar to MS Office XP in your Thunderbird menus and toolbars, and Calendar as well if you have that installed. It also changes the category-selector in the options window to use your system colors, instead of always being...
This add-on is not compatible with your version of Thunderbird because of the following: