Examine source code of Katana Samurai

{
  "theme": {
    "images": {
      "theme_frame": "Katanaarriba.png"
    },
    "colors": {
      "frame": "#2340e8",
      "tab_background_text": "#e31212"
    }
  },
  "version": "2.0",
  "name": "Katana Samurai",
  "manifest_version": 2,
  "description": "Samurai"
}