Examine source code of Rapunzel..

{
  "theme": {
    "images": {
      "theme_frame": "RapunzelHCustom.jpg"
    },
    "colors": {
      "frame": "#8eb4e6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rapunzel..",
  "manifest_version": 2,
  "description": "Walt Disney, movie, DVD, Rapunzel, hair, children, mountain, trees, stars, sky, ivy, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/a5c1848e6713944530526b458257434e24d47f80a9d9b4abef143c93a8f4693d/http%3A//entertainment.desktopnexus.com/wallpaper/803438/\" rel=\"nofollow\">http://entertainment.desktopnexus.com/wallpaper/803438/</a>"
}