Examine source code of PS5 controller theme

{
  "name": "PS5 controller theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2023-05-07 at 09.51.10.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(0, 85, 255, 1)",
      "toolbar": "rgba(209, 171, 171, 0)",
      "bookmark_text": "rgba(0, 85, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(0, 85, 255, 1)",
      "tab_line": "rgba(0, 85, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d208bf94-3ea1-40ca-964c-75a5094654fa}"
    }
  }
}