Examine source code of Vampires Exist

{
  "theme": {
    "images": {
      "theme_frame": "vamphead.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#33ff33"
    }
  },
  "version": "2.0",
  "name": "Vampires Exist",
  "manifest_version": 2,
  "description": "Animated persona created from a photo montage of pictures of Seattle posters and graffiti."
}