Click on the image to enlarge.
The new interface looks similar and matches the Google Search template. So google is probably planning to have the same interface to all the other google services.
Gmail to come with a new login screen
Ever since the launch of Google+, Google has gone on to change the UI of lot other google products. First it was the google search itself and then blogger, then gmail(through a preview theme) and now the login screen for Gmail. The new gmail login screen was available for preview and here is how it looks -
