Examine source code of Warai Origami

{
  "theme": {
    "images": {
      "theme_frame": "warai-header.jpg"
    },
    "colors": {
      "frame": "#aaaaaa",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Warai Origami",
  "manifest_version": 2,
  "description": "Warai means \"laughter\" in Japanese, and it seemed the perfect title for these laughing little origami creatures.\n\nBrought to you by Joseph Wu Origami: <a href=\"https://outgoing.prod.mozaws.net/v1/9ecd26ca0c3b86a264ba6219b79144eacad215b15f723d861683028f563692a4/http%3A//www.origami.as\" rel=\"nofollow\">http://www.origami.as</a>"
}