Examine source code of Lain

{
  "name": "Lain",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2023-04-10 at 06.03.42.png"
    },
    "colors": {
      "frame": "rgba(24, 23, 20, 1)",
      "tab_background_text": "rgba(214, 203, 192, 1)",
      "toolbar": "rgba(96, 91, 82, 1)",
      "bookmark_text": "rgba(214, 203, 192, 1)",
      "toolbar_field": "rgba(179, 172, 159, 1)",
      "toolbar_field_text": "rgba(41, 39, 36, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{492937d8-e73e-47b4-a9d4-1558a628abef}"
    }
  }
}