Examine source code of Viswesh

{
  "theme": {
    "images": {
      "theme_frame": "firefox_personna.jpg"
    },
    "colors": {
      "frame": "#737373",
      "tab_background_text": "#6b1e10"
    }
  },
  "version": "2.0",
  "name": "Viswesh",
  "manifest_version": 2,
  "description": "Its an Awesome theme if u r a fan of Viswesh Sivaraman"
}