Examine source code of good v evil

{
  "theme": {
    "images": {
      "theme_frame": "Copyof613359.jpg"
    },
    "colors": {
      "frame": "#786c6c",
      "tab_background_text": "#a31515"
    }
  },
  "version": "2.0",
  "name": "good v evil",
  "manifest_version": 2,
  "description": "the ultimate battle"
}