Examine source code of maxwell

{
  "name": "maxwell",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "20230115_122759.gif"
    },
    "colors": {
      "frame": "rgba(212, 212, 212, 1)",
      "tab_background_text": "rgba(173, 173, 173, 1)",
      "toolbar": "rgba(51, 48, 48, 1)",
      "bookmark_text": "rgba(255, 247, 247, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.27)",
      "toolbar_field_text": "rgba(204, 204, 204, 1)",
      "tab_line": "rgba(97, 97, 97, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{55e53471-6b78-4da8-9c14-7e1604629174}"
    }
  }
}