Leandro, based on previous comments (e.g., around #132, etc.), I'd suggest
https://wiki.ubuntu.com/NotificationDesignGuidelines/Comments
as a good place for your mockups.
Leandro, based on previous comments (e.g., around #132, etc.), I'd suggest
https:/ /wiki.ubuntu. com/Notificatio nDesignGuidelin es/Comments
as a good place for your mockups.