Examine source code of Exotica...

{
  "theme": {
    "images": {
      "theme_frame": "ExoticaH2Custom.jpg"
    },
    "colors": {
      "frame": "#cc9999",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Exotica...",
  "manifest_version": 2,
  "description": "butterflies, cat, exotic, fantasy, feline, flowers, girl, sexy, window, dragonflies, columns, woman, beautiful, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/a091c7a4c9bd16d992df2fff6023655f0e960f05b06015687f0200edb27ecf7c/http%3A//abstract.desktopnexus.com/wallpaper/1050214/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1050214/</a>"
}