Examine source code of Prince Symbol

{
  "theme": {
    "images": {
      "theme_frame": "yityi.jpg"
    },
    "colors": {
      "frame": "#f7f7f7",
      "tab_background_text": "#5c1078"
    }
  },
  "version": "2.0",
  "name": "Prince Symbol",
  "manifest_version": 2,
  "description": "po prostu zobaczcie"
}