Examine source code of Boxes 002

{
  "theme": {
    "images": {
      "theme_frame": "Header.PNG"
    },
    "colors": {
      "frame": "#f7ff00",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Boxes 002",
  "manifest_version": 2,
  "description": "An inverse of Boxes 001, this has dark and light blue boxes."
}