Examine source code of Yard in the Fall

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#fff9c4",
      "tab_background_text": "#fff9c4"
    }
  },
  "version": "2.0",
  "name": "Yard in the Fall",
  "manifest_version": 2,
  "description": "It's time to rake those leaves!"
}