Examine source code of Vampires Assistant

{
  "theme": {
    "images": {
      "theme_frame": "final4.jpg"
    },
    "colors": {
      "frame": "#7dc9c5",
      "tab_background_text": "#c736e8"
    }
  },
  "version": "2.0",
  "name": "Vampires Assistant",
  "manifest_version": 2,
  "description": "The Cirque du freak: Vampire's assistant"
}