Examine source code of Perfect world Summer

{
  "theme": {
    "images": {
      "theme_frame": "PerfectWorld.jpg"
    },
    "colors": {
      "frame": "#34a0a8",
      "tab_background_text": "#b4e5f0"
    }
  },
  "version": "2.0",
  "name": "Perfect world Summer",
  "manifest_version": 2,
  "description": "perfect world"
}