Examine source code of Apple Goes Green.

{
  "theme": {
    "images": {
      "theme_frame": "green_apple_logo.jpg"
    },
    "colors": {
      "frame": "#afb5b0",
      "tab_background_text": "#353536"
    }
  },
  "version": "2.0",
  "name": "Apple Goes Green.",
  "manifest_version": 2,
  "description": "The world is going green, why not your browser? Well it can with the \"Apple Goes Green.\" Persona. -- Created by onoudnt0 --"
}