Examine source code of Kratos rules

{
  "theme": {
    "images": {
      "theme_frame": "God-of-War-2-PlayStation2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Kratos rules",
  "manifest_version": 2,
  "description": "Kratos is the biggest warrior in the games history."
}