Examine source code of Kookv

{
  "name": "Kookv",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "24c3e177cd10ee511321383159aee7b0.jpg"
    },
    "colors": {
      "frame": "rgba(3, 3, 3, 1)",
      "tab_background_text": "rgba(219, 176, 255, 1)",
      "toolbar": "rgba(104, 21, 117, 1)",
      "bookmark_text": "rgba(73, 201, 137, 1)",
      "toolbar_field": "rgba(69, 69, 69, 1)",
      "toolbar_field_text": "rgba(179, 0, 255, 1)",
      "tab_line": "rgba(199, 42, 42, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7ea086a2-fe9d-4828-8ce1-c900758790fe}"
    }
  }
}