Examine source code of Xmen Original

{
  "theme": {
    "images": {
      "theme_frame": "BrowserHeadlinerXmen.jpg"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Xmen Original",
  "manifest_version": 2,
  "description": "I created this using the X-Men School for Gifted Youngster logo and the X-Men movie logo to make this"
}