Examine source code of Dark Tranquillity

{
  "theme": {
    "images": {
      "theme_frame": "DT_Where_PersonaHeaderS.jpg"
    },
    "colors": {
      "frame": "#b3b3b3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Dark Tranquillity",
  "manifest_version": 2,
  "description": "DARK TRANQUILLITY - New Album \"Where Death Is Most Alive\" - November 2009.\n\nwww.darktranquillity.com/"
}