Examine source code of lush

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#4E3E06",
      "tab_background_text": "#FFF7A6"
    }
  },
  "version": "2.0",
  "name": "lush",
  "manifest_version": 2,
  "description": "\"A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.\"\nOliver Wendell Holmes, Jr."
}