Examine source code of Digital Jools Records

{
  "theme": {
    "images": {
      "theme_frame": "Digitaljoolsrec_firefox_head.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Digital Jools Records",
  "manifest_version": 2,
  "description": "then what is magic for a limited rationality, is the logic of infinity."
}