Examine source code of Abstract Dripping Paint

{
  "theme": {
    "images": {
      "theme_frame": "Optimized-FirefoxHeader.png"
    },
    "colors": {
      "frame": "#696969",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Abstract Dripping Paint",
  "manifest_version": 2,
  "description": "Very cool persona.\nA relaxed style image with glassy letters.\n\nThanks,"
}