Examine source code of Hot Rods

{
  "theme": {
    "images": {
      "theme_frame": "newheader2FF.jpg"
    },
    "colors": {
      "frame": "#f50a0a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Hot Rods",
  "manifest_version": 2,
  "description": "For all those rodders out there"
}