Examine source code of Israel Flag

{
  "name": "Israel Flag",
  "manifest_version": 2,
  "version": "11.0",
  "theme": {
    "images": {
      "theme_frame": "Flag.png"
    },
    "colors": {
      "frame": "rgba(68, 86, 128, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(93, 125, 171, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(245, 245, 245, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(226, 233, 240, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5c82619e-244f-452a-8ab6-11e4c7009689}"
    }
  }
}