Examine source code of Our Future

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Our Future",
  "manifest_version": 2,
  "description": "A possible look into our future through a torn hole in some paper. Make it your browser background for free!"
}