Examine source code of Classy Guitar

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#826418",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Classy Guitar",
  "manifest_version": 2,
  "description": "Before flat black and lime green became popular, guitars used to be built out of fine woods and abalone."
}