Examine source code of Doki Theme for Firefox

{
  "name": "Doki Theme for Firefox",
  "short_name": "Doki Theme",
  "version": "84.2.0",
  "description": "Cute anime character themes for Firefox.",
  "manifest_version": 2,
  "icons": {
    "48": "icons/doki-theme-logo@48.png",
    "96": "icons/doki-theme-logo@96.png"
  },
  "optional_permissions": [
    "search",
    "browserSettings",
    "tabs",
    "activeTab",
    "<all_urls>"
  ],
  "permissions": [
    "storage",
    "theme"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/doki-theme-logo@16.png",
      "32": "icons/doki-theme-logo@32.png",
      "64": "icons/doki-theme-logo@64.png"
    },
    "default_popup": "popup.html",
    "default_title": "Doki Theme"
  },
  "chrome_url_overrides": {
    "newtab": "tab.html"
  },
  "chrome_settings_overrides": {
    "homepage": "tab.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "95.0",
      "id": "{903b84bb-fd82-484e-8afd-c068b67679a7}"
    }
  }
}