Examine source code of Old Fashioned John Deere

{
  "theme": {
    "images": {
      "theme_frame": "Runs2Top.jpg"
    },
    "colors": {
      "frame": "#faea3c",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Old Fashioned John Deere",
  "manifest_version": 2,
  "description": "An old-timey John Deere sign, turned into a persona...."
}