Examine source code of Czech Republic

{
  "name": "Czech Republic",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "cộng hòa séc 24.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(245, 226, 226, 1)",
      "bookmark_text": "rgba(155, 210, 212, 1)",
      "tab_line": "rgba(209, 208, 134, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4fabad27-7b8b-41b2-b930-0d1c26d90acc}"
    }
  }
}