Examine source code of Green Day Discography

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#a65b5b",
      "tab_background_text": "#f70303"
    }
  },
  "version": "2.0",
  "name": "Green Day Discography",
  "manifest_version": 2,
  "description": "awesome discography of green day"
}