Examine source code of Sky Green

{
  "theme": {
    "images": {
      "theme_frame": "LightHeader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sky Green",
  "manifest_version": 2,
  "description": "A light, happy blue-green persona is just what the world needs."
}