Examine source code of Green leaf sky

{
  "theme": {
    "images": {
      "theme_frame": "Greenleavespersona.jpg"
    },
    "colors": {
      "frame": "#34911a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Green leaf sky",
  "manifest_version": 2,
  "description": "Nice green fresh leaves in the sky."
}