Examine source code of very cool

{
  "theme": {
    "images": {
      "theme_frame": "abstract_0108.jpg"
    },
    "colors": {
      "frame": "#e6ed0c",
      "tab_background_text": "#1ced05"
    }
  },
  "version": "2.0",
  "name": "very cool",
  "manifest_version": 2,
  "description": "vietnam for me"
}