Mail and Calendar gets new themes

The Mail and Calendar apps for Windows 10 gets fresh new themes.   

12 new themes in the Mail and Calendar apps have been added. This also includes 4 seasonal illustrations. These themes also come with a matching accent color and will bring a lively new look to the apps.

To try out the new themes, select Settings  > Personalization. (same for both Mail as well as Calendar)

Note: This feature is currently available only to Windows Insiders, but will coming soon for everybody.