Examine source code of Caution Stripes

{
  "theme": {
    "images": {
      "theme_frame": "CautionStripesTop.jpg"
    },
    "colors": {
      "frame": "#999999",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Caution Stripes",
  "manifest_version": 2,
  "description": "Need to keep pedestrians out of your browser's work zone?  Need to block off a street on the Information Super-Highway?  Then this is the perfect persona for you!"
}