Examine source code of speed usa

{
  "theme": {
    "images": {
      "theme_frame": "speedusa.jpg"
    },
    "colors": {
      "frame": "#4ff20e",
      "tab_background_text": "#12f00e"
    }
  },
  "version": "2.0",
  "name": "speed usa",
  "manifest_version": 2,
  "description": "speed usa"
}