Examine source code of Mozilla Blue World

{
  "theme": {
    "images": {
      "theme_frame": "BluPersonatop.png"
    },
    "colors": {
      "frame": "#78b0ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Mozilla Blue World",
  "manifest_version": 2,
  "description": "I didn't know what to name this, so i called it \"Mozilla Blue World.\"\n\nI hope you like this persona."
}