Examine source code of moon knight mavel

{
  "name": "meong",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot 2025-07-14 at 17-49-45 Theme generate Developer Hub Add-ons for Firefox.png"
    },
    "colors": {
      "frame": "rgba(110, 110, 112, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b783d239-8ecd-40c9-aed6-1b22b7b1c4fb}"
    }
  }
}