Examine source code of Rowing Eight

{
  "theme": {
    "images": {
      "theme_frame": "Oito.jpg"
    },
    "colors": {
      "frame": "#a7e8e3",
      "tab_background_text": "#dadfe3"
    }
  },
  "version": "2.0",
  "name": "Rowing Eight",
  "manifest_version": 2,
  "description": "Rowing eight"
}