Examine source code of Navy Blue

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_NAVY.png"
    },
    "colors": {
      "frame": "#ff8000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Navy Blue",
  "manifest_version": 2,
  "description": "This design is composed simple navy. If you like navy blue, I recommend this design.\n\nこのデザインはシンプルな藍色のみで構成されています。あなたが藍色が好きならば、このデザインをオススメします。"
}