Examine source code of Rockapella

{
  "theme": {
    "images": {
      "theme_frame": "rockapellaheader.jpg"
    },
    "colors": {
      "frame": "#f79813",
      "tab_background_text": "#f5f0f0"
    }
  },
  "version": "2.0",
  "name": "Rockapella",
  "manifest_version": 2,
  "description": "Rockapella, the best Acapella Group of the World"
}