Examine source code of Simplify Aeries

{
  "author": "Sander Vonk",
  "background": {
    "persistent": false,
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_popup": "html/optionsUI.html"
  },
  "content_scripts": [
    {
      "css": [
        "css/dashboardTweaks.css",
        "css/topmenu.css",
        "css/sidebarTweaks.css",
        "css/loginTweaks.css",
        "css/timeoutTweaks.css",
        "css/testScoresTweaks.css"
      ],
      "js": [
        "js/applyoptions.js",
        "js/redoIPmessage.js",
        "js/enablePreview.js",
        "js/getClassInfo.js"
      ],
      "matches": [
        "https://*.aeries.net/*"
      ]
    }
  ],
  "description": "Simple customizable QOL CSS changes to Aeries.net Student SIS sites",
  "icons": {
    "16": "icon/3DLogo.png",
    "32": "icon/3DLogo.png",
    "48": "icon/3DLogo.png",
    "128": "icon/3DLogo.png",
    "256": "icon/3DLogo.png",
    "512": "icon/3DLogo.png"
  },
  "manifest_version": 2,
  "name": "Simplify Aeries",
  "options_page": "html/options.html",
  "permissions": [
    "storage",
    "tabs",
    "https://*.aeries.net/*",
    "https://*.aeries.com/*"
  ],
  "version": "1.2.4",
  "browser_specific_settings": {
    "gecko": {
      "id": "{d9b77b95-4b49-4098-8b5c-4ff6cdd5869b}"
    }
  }
}