Examine source code of Forever February

{
  "theme": {
    "images": {
      "theme_frame": "ForeverFebruaryH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#fc0a0a"
    }
  },
  "version": "2.0",
  "name": "Forever February",
  "manifest_version": 2,
  "description": "roses, heart, abstract, Valentines Day, February, paper, flowers, red, fleurs, simple, torn paper, February 14th\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/ebc49b67af0c00e803c9aa756822b96d1a3d99b9790a3d40fabf2d0a28a068c9/http%3A//nature.desktopnexus.com/wallpaper/1324154/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1324154/</a>"
}