Examine source code of Sunset Ripples

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#faa657"
    }
  },
  "version": "2.0",
  "name": "Sunset Ripples",
  "manifest_version": 2,
  "description": "This is a from a photo I took of a sunset reflected in the ripples at a pond near my house.\n\nOriginal photo:\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/9ca814f3ee3e4d2fbc4a97cdf7b5a43b82175579a4abacb9121712584fa80639/https%3A//flic.kr/p/D5P3Lx\">https://flic.kr/p/D5P3Lx</a>"
}