Examine source code of Sunset Flight by M♥Donna

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#121c1f",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sunset Flight by M♥Donna",
  "manifest_version": 2,
  "description": "My wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/53f55e206c665112a7bfc3e82d47becfee3971789e5c0db3489fd8aa6b4731a9/https%3A//nature.desktopnexus.com/wallpaper/2280285/\">https://nature.desktopnexus.com/wallpaper/2280285/</a>"
}