Note: because this is just a personal project, I can't guarantee that the theme will work on Windows or macOS. You are free to make a pull request for these Operating Systems, though.
Idido is a theme for the Mailspring mail client, forked from the Ido theme, which is in turn based on Taiga. Ido means offspring in Esperanto, so Idido is Offspring of the offspring!
The sidebar color can be changed by updating the color value in this file. Here is a video showing how to do that.
It seems to be a really popular choice
Ee.. What? But if you are looking for an Inbox inspired theme you should definitely try agapanthus
- Download Mailspring - (desktop email client) if you have not yet.
- Just download the master branch
- Open
Mailspring
->Install new theme...
This is a list of the differences between both themes:
- Window controls have been replaced by traffic lights (inspired by macOS).
- Buttons don't have borders (as opposed to the circular borders of the original Ido theme).
- Circular hover effect on buttons.
This is a new fork, so there aren't any more changes. I'll update the list when I make further changes.