Examine source code of My Notes

{
  "theme": {
    "images": {
      "theme_frame": "Persona-1.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffa8a8"
    }
  },
  "version": "2.0",
  "name": "My Notes",
  "manifest_version": 2,
  "description": "Musical Notes"
}