Examine source code of Midnight Cityscape

{
  "theme": {
    "images": {
      "theme_frame": "Midnight-Cityscape-Header.jpg"
    },
    "colors": {
      "frame": "#080a0d",
      "tab_background_text": "#c3eafa"
    }
  },
  "version": "2.0",
  "name": "Midnight Cityscape",
  "manifest_version": 2,
  "description": "A panorama of downtown Edmonton showing the North Saskatchewan River,  Alberta Legislative grounds, the and the High Level Bridge.\n\nOriginal CC Photo by \"schon\" of deviant art\n\n  <a href=\"https://outgoing.prod.mozaws.net/v1/ee29aaa20ec05dd3ce2d9daf6dc85014d114aac0b20c526b95c2b8d4b3918ed0/http%3A//browse.deviantart.com/resources/%3Fqh=&amp;section=&amp;q=%2Bedmonton%23/d39c4q3\" rel=\"nofollow\">http://browse.deviantart.com/resources/?qh=&amp;section=&amp;q=+edmonton#/d39c4q3</a>\n\n(city skyline night scape metropolis park street lights path road valley trees grass hills skyscraper snow ice winter landscape moon clouds town stars  urban streetlights traffic  dark blue black yellow gold white)"
}