Examine source code of Web Surfer

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxPersona-BLZ-WebSurfer-header.jpg"
    },
    "colors": {
      "frame": "#1b370e",
      "tab_background_text": "#b6ff9f"
    }
  },
  "version": "2.0",
  "name": "Web Surfer",
  "manifest_version": 2,
  "description": "This colorful half-inch long spider was hanging upside down and lit by the morning sun as he made a web next to our porch.  \n\nTo rate or comment, login here:\n<a href=\"https://addons.mozilla.org/en-US/firefox/addon/web-surfer/#id=311660\" rel=\"nofollow\">https://addons.mozilla.org/en-US/firefox/addon/web-surfer/#id=311660</a> \nSee all my personas here:\n<a href=\"https://addons.mozilla.org/en-US/firefox/collections/BrianZ/personas/\" rel=\"nofollow\">https://addons.mozilla.org/en-US/firefox/collections/BrianZ/personas/</a> \n\n(c) 2001 BrianZ"
}