Examine source code of Shamrock Wow

{
  "theme": {
    "images": {
      "theme_frame": "ShamrockWow2010.jpg"
    },
    "colors": {
      "frame": "#bdb9b9",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Shamrock Wow",
  "manifest_version": 2,
  "description": "Happy St. Patrick's Day...Just in time for the Saint's birthday..these are actually my own shamrocks and I added a painterly effect."
}