Examine source code of drone_iv

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#cfcdcd",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "drone_iv",
  "manifest_version": 2,
  "description": "This is part of an image that I created for my one-man-band Fake Plastic Heads. The new free EP is entitled \"drone_iv\""
}