Examine source code of massimo3

{
  "theme": {
    "images": {
      "theme_frame": "su2.jpg"
    },
    "colors": {
      "frame": "#28d4e0",
      "tab_background_text": "#20b9e3"
    }
  },
  "version": "2.0",
  "name": "massimo3",
  "manifest_version": 2,
  "description": "Palau - Sardegna"
}