Examine source code of Really Nice Persona 11

{
  "theme": {
    "images": {
      "theme_frame": "GORE-OK.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#b1aff7"
    }
  },
  "version": "2.0",
  "name": "Really Nice Persona 11",
  "manifest_version": 2,
  "description": "Really, Nice, Persona, 11, Color, Black, Solid, Popular, The Best, Firefox, Rank, Super, Up, Srbija, Serbia, Fun, Texture."
}