This extension applies certain CSS when at the URL: https://plus.google.com/featuredphotos This creates a cool website for you to visit that is a slideshow of Google's featured photos, previously only available as a Mac screensaver or on Chromecast. HOW TO USE: 1. Install this extension! 2. Go to https://plus.google.com/featuredphotos 3. Enjoy the amazing slideshow!