Examine source code of Crystal Go Faster

{
  "theme": {
    "images": {
      "theme_frame": "Crystalheader2.jpg"
    },
    "colors": {
      "frame": "#168562",
      "tab_background_text": "#baccf5"
    }
  },
  "version": "2.0",
  "name": "Crystal Go Faster",
  "manifest_version": 2,
  "description": "My first attempt...just to see how it works...\n\ncouple pics I took of my fabulous horse Crystal."
}