Examine source code of Anonyheads

{
  "theme": {
    "images": {
      "theme_frame": "AnonyheadsHeader.jpg"
    },
    "colors": {
      "frame": "#b5b5b5",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Anonyheads",
  "manifest_version": 2,
  "description": "A personal one I made based on a manipulated image taken from our prom night a few years ago."
}