Examine source code of FT Island lets go

{
  "theme": {
    "images": {
      "theme_frame": "ftiri.jpg"
    },
    "colors": {
      "frame": "#080101",
      "tab_background_text": "#030101"
    }
  },
  "version": "2.0",
  "name": "FT Island lets go",
  "manifest_version": 2,
  "description": "FT Island :)"
}