Examine source code of Spring and Summer

{
  "theme": {
    "images": {
      "theme_frame": "SPRINGANDSUMMERH.jpg"
    },
    "colors": {
      "frame": "#d0e6bb",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Spring  and  Summer",
  "manifest_version": 2,
  "description": "abstract, apple blossoms, aroma, aromatic, beautiful, butterflies, butterfly, cherry blossoms, conceptual, fleurs, flow, flowers, flowing, fragrant, green, ideal, ideational, metaphysical, notional, papillon, Sakura, seasonal, spring, summer, theoretical\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/82b13a8d15aa502b3b2710a2f52fc4888d1db46d43d78a45459aba8e9c5520a2/http%3A//nature.desktopnexus.com/wallpaper/1115022/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1115022/</a>"
}