Examine source code of Evangelion Unit-01

{
  "name": "Evangelion Unit-01",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot from 2023-05-04 17-14-50.png"
    },
    "colors": {
      "frame": "rgba(29, 26, 47, 1)",
      "tab_background_text": "rgba(201, 34, 30, 1)",
      "toolbar": "rgba(111, 79, 162, 1)",
      "bookmark_text": "rgba(255, 140, 40, 1)",
      "toolbar_field": "rgba(139, 212, 80, 1)",
      "toolbar_field_text": "rgba(255, 140, 40, 1)",
      "tab_line": "rgba(171, 69, 191, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8420f6fc-8acb-4be0-b778-02260529f794}"
    }
  }
}