This is a theme based on the oxygen icon set. It is named OxyBird because it supports also Lightning and SunBird.
The theme is made by Wichien Maat. Except for using Oxygen icons, the theme has a pleasant side effect: it won’t interfere with your main Windows theme.
* You may also like to check how to customize almost everything in the interface of Thunderbird
Related:
- Nautipolis theme for Thunderbird, with icons based on art gnome
- A great modern theme for Thunderbird, with borders erased
- Get a super clean, minimal, Chrome theme with Omnibox
- White and Silver modern Chrome theme, clean, minimal, elegant
- Install free Charamel and Silvermel Themes for Thunderbird
- Backup and protect your eMail profiles from Windows Mail or Thunderbird, with KLS Mail Backup
- View Thunderbird databases and EML files and attachments, save and print them, with Mail Viewer
