Examine source code of Moutain Biking Fun

{
  "theme": {
    "images": {
      "theme_frame": "MTB2.png"
    },
    "colors": {
      "frame": "#370eed",
      "tab_background_text": "#f2eded"
    }
  },
  "version": "2.0",
  "name": "Moutain Biking Fun",
  "manifest_version": 2,
  "description": "Just Because the Economy is in a Recession.......Doesn't mean that Fun has to be also!!!"
}