Examine source code of Rainbow Rays

{
  "theme": {
    "images": {
      "theme_frame": "RainbowRaysH.jpg"
    },
    "colors": {
      "frame": "#4158f0",
      "tab_background_text": "#3e71f0"
    }
  },
  "version": "2.0",
  "name": "Rainbow Rays",
  "manifest_version": 2,
  "description": "colors, pastel, sun rays, rainbow colors, pink, blue, light. My desktop wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/54b812749811e9a62f4844dd22c3989e8c2371ba98b4076785509b70553795e7/http%3A//abstract.desktopnexus.com/wallpaper/592311/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/592311/</a>"
}