Examine source code of FOX

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#003afa",
      "tab_background_text": "#0afade"
    }
  },
  "version": "2.0",
  "name": "FOX",
  "manifest_version": 2,
  "description": "I cool mix of firefox and nature with a hint of mystery"
}