Bem-vindo aos extras do Thunderbird.
Adicione funcionalidades e estilos extra para tornar o Thunderbird só seu.
FecharNova Theme for Thunderbird 1.0.3
por JunglGeorg
Firefox Nova, ported to Thunderbird: purple-to-orange gradient chrome, lavender accent, softer rounding. Automatic light/dark switching. By JunglGeorg