Examine source code of Nickelback-photo

{
  "theme": {
    "images": {
      "theme_frame": "Nvtelen2.jpg"
    },
    "colors": {
      "frame": "#0d0d0d",
      "tab_background_text": "#050505"
    }
  },
  "version": "2.0",
  "name": "Nickelback-photo",
  "manifest_version": 2,
  "description": "nickelback"
}