Examine source code of Street Bob

{
  "theme": {
    "images": {
      "theme_frame": "HarleyStreetBob.jpg"
    },
    "colors": {
      "frame": "#0d0b0b",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Street Bob",
  "manifest_version": 2,
  "description": "Harley Davidson Street Bob"
}