Examine source code of thobone_fire

{
  "theme": {
    "images": {
      "theme_frame": "firefoxheader.jpg"
    },
    "colors": {
      "frame": "#0e09a8",
      "tab_background_text": "#2c0bbd"
    }
  },
  "version": "2.0",
  "name": "thobone_fire",
  "manifest_version": 2,
  "description": "thobone 3"
}