Examine source code of Israel Flag 2

{
  "name": "Israel Flag 2",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#6e7399",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(88, 114, 150, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(240, 231, 231, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eb7745f8-6f97-4dca-86c1-38aa3de2084d}"
    }
  }
}