Examine source code of INFINITY-PRO

{
  "name": "INFINITY-PRO",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "firefox.png"
    },
    "colors": {
      "frame": "rgba(105, 54, 224, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(102, 102, 102, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(139, 67, 181, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 0, 64, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc789d04-cc43-4112-8304-8314f78e21bd}"
    }
  }
}