Examine source code of Oceanic Views

{
  "theme": {
    "images": {
      "theme_frame": "oceanicviewheader.jpg"
    },
    "colors": {
      "frame": "#00c8ff",
      "tab_background_text": "#21b0ae"
    }
  },
  "version": "2.0",
  "name": "Oceanic Views",
  "manifest_version": 2,
  "description": "Your Oceanic view right on your Firefox browser"
}