Examine source code of Ninja Kanji

{
  "theme": {
    "images": {
      "theme_frame": "Persona1.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#7d7c7c"
    }
  },
  "version": "2.0",
  "name": "Ninja Kanji",
  "manifest_version": 2,
  "description": "Kanji = Ninja"
}