This prototype shows a subtle animation of avatars flying in, and subtle background tint changes.
See how it was created step-by-step:
http://docs.proto.io/videos/prototyping-subtle-animation/
>starting at time: 28:40
Enjoy...
This is an example of a sign in screen that validates a username and a password. Feel free to import this fully editable project into your own account for use in your prototypes.
Use the following to successfully sign in and proceed to the next screen
User Name: john
Password: proto.io