Examine source code of Sunset@Bagan

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0ed2f0",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Sunset@Bagan",
  "manifest_version": 2,
  "description": "It is the beautiful scene. Watching the sunset among many pagodas is so amazing."
}