Examine source code of Amon Amarth 2

{
  "theme": {
    "images": {
      "theme_frame": "AmonAmarth.JPG"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#8a6c00"
    }
  },
  "version": "2.0",
  "name": "Amon Amarth 2",
  "manifest_version": 2,
  "description": "Viking Metal"
}