Examine source code of vector pendulum

{
  "theme": {
    "images": {
      "theme_frame": "vectorpendulumalto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#33ff33"
    }
  },
  "version": "2.0",
  "name": "vector pendulum",
  "manifest_version": 2,
  "description": "scenery,flowers,nature,orbs,curls,circles,wheels,windows,pink,purple,violet,\nblue,turquoise,green,yellow,orange,colorful,light,bright,glowing,stars,\nfantasy,magical,dream,pastel - You find the matched wallpaper at this link =&gt; \n<a href=\"https://outgoing.prod.mozaws.net/v1/b4c67f217e484d1d73bfb3e5b234db57561099a599fe027f48975575f6449e85/http%3A//wallpapers.hdesktop.com/miscellaneous-wallpaper/miscellaneous-1920x1200-P82185/\" rel=\"nofollow\">http://wallpapers.hdesktop.com/miscellaneous-wallpaper/miscellaneous-1920x1200-P82185/</a>"
}