Google brings Material Design to overview mode in Chrome OS Dev update

Google has packed a pleasant surprise into the latest release of the Dev channel of Chrome OS. The window picker, officially named “overview mode,” has been redesigned to adhere to Google’s Material Design standards.
Once you’re running version 53.0.2785.29 of the Dev channel of Chrome OS, you can access the new view by swiping three fingers down on the trackpad or hitting the key with the square and the two lines next to it — typically, the F5 key on non-Chromebook