Examine source code of sum 41 fan

{
  "theme": {
    "images": {
      "theme_frame": "sum41header.jpg"
    },
    "colors": {
      "frame": "#828282",
      "tab_background_text": "#8a8a8a"
    }
  },
  "version": "2.0",
  "name": "sum 41 fan",
  "manifest_version": 2,
  "description": "sum 41"
}