Examine source code of Death Note - Death Party

{
  "theme": {
    "images": {
      "theme_frame": "Header-Colors7copy2.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#009900"
    }
  },
  "version": "2.0",
  "name": "Death Note - Death Party",
  "manifest_version": 2,
  "description": "Another Death Note persona. This is kind of addictive? O.O"
}