Examine source code of Bike For Fun

{
  "theme": {
    "images": {
      "theme_frame": "BikeForFunH.jpg"
    },
    "colors": {
      "frame": "#f2e6e6",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Bike For Fun",
  "manifest_version": 2,
  "description": "bicycle, health, travel, sport, ride, fun, bike, healthy, trail, road, transportation, ecology, pedal, power,  \n\nDesigned by MaDonna"
}