Examine source code of mclevey art

{
  "theme": {
    "images": {
      "theme_frame": "mclevey-firefox-top.jpg"
    },
    "colors": {
      "frame": "#39e3a7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "mclevey art",
  "manifest_version": 2,
  "description": "Persona with the art of mclevey."
}