Examine source code of dark academia

{
  "name": "dark academia",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2025-09-14 234420.png"
    },
    "colors": {
      "frame": "rgba(34, 30, 27, 1)",
      "tab_background_text": "rgba(205, 193, 167, 1)",
      "toolbar": "rgba(45, 40, 36, 1)",
      "bookmark_text": "rgba(166, 135, 92, 1)",
      "toolbar_field": "rgba(64, 59, 55, 1)",
      "toolbar_field_text": "rgba(198, 180, 157, 1)",
      "tab_line": "rgba(115, 77, 38, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{652a45e1-5375-471c-9169-ac2671b75e10}"
    }
  }
}