Examine source code of Mountain Peaks

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#005499",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Mountain Peaks",
  "manifest_version": 2,
  "description": "A scene of snow covered mountains brought to you by the team at Peak Systems (<a href=\"https://outgoing.prod.mozaws.net/v1/490dfbeb59476849593d912916eb6f13d5d706bda8d3a33503cf17961ee0496f/http%3A//www.peaksystems.com\" rel=\"nofollow\">www.peaksystems.com</a>)."
}