Examine source code of Beelzemon

{
  "theme": {
    "images": {
      "theme_frame": "beelzemonheader.jpg"
    },
    "colors": {
      "frame": "#29212c",
      "tab_background_text": "#993a31"
    }
  },
  "version": "2.0",
  "name": "Beelzemon",
  "manifest_version": 2,
  "description": "And intense Beelzemon persona!"
}