Examine source code of Smaloun

{
  "theme": {
    "images": {
      "theme_frame": "fantasy_6666.jpg"
    },
    "colors": {
      "frame": "#9bad16",
      "tab_background_text": "#a90ccc"
    }
  },
  "version": "2.0",
  "name": "Smaloun",
  "manifest_version": 2,
  "description": "Fantasy pictures"
}