Examine source code of Green Rose

{
  "theme": {
    "images": {
      "theme_frame": "greenrose.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#9ff29e"
    }
  },
  "version": "2.0",
  "name": "Green Rose",
  "manifest_version": 2,
  "description": "Green is a color you just never see in roses, perfect for St. Patrick's Day. Let the luck of the Irish be with you."
}