Examine source code of Grumlahk Parchment

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxPersona-Parchment_Header.jpg"
    },
    "colors": {
      "frame": "#ed3232",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Grumlahk Parchment",
  "manifest_version": 2,
  "description": "A simple parchment background to sooth the eyes of any electronically scrying wizard"
}