Examine source code of Root Beer

{
  "theme": {
    "images": {
      "theme_frame": "awrootbeer.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#cfeb6c"
    }
  },
  "version": "2.0",
  "name": "Root Beer",
  "manifest_version": 2,
  "description": "Celebrating the nostalgia and fun of root beer."
}