Examine source code of InkFing

{
  "manifest_version": 3,
  "short_name": "InkFing",
  "name": "InkFing",
  "description": "A refreshed dark-mode for day to day Fing students web apps.",
  "version": "0.6",
  "author": "LibreCourseUY",
  "icons": {
    "16": "icons/16x.png",
    "32": "icons/32x.png",
    "48": "icons/48x.png",
    "64": "icons/64x.png",
    "128": "icons/128x.png",
    "256": "icons/256x.png",
    "512": "icons/512x.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@LibreCourseUYInkFing",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "options/options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.bedelias.udelar.edu.uy/*"
      ],
      "css": [
        "css/root.css",
        "css/bedelias.udelar.edu.uy.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://eva.fing.edu.uy/*"
      ],
      "css": [
        "css/root.css",
        "css/eva.fing.edu.uy.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "*://eva.fing.edu.uy/*"
      ],
      "js": [
        "js/eva.fing.edu.uy.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://www.fing.edu.uy/*"
      ],
      "css": [
        "css/root.css",
        "css/www.fing.edu.uy.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://login.udelar.edu.uy/*"
      ],
      "css": [
        "css/root.css",
        "css/login.udelar.edu.uy.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://login.udelar.edu.uy/*"
      ],
      "js": [
        "js/login.udelar.edu.uy.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://open.fing.edu.uy/*"
      ],
      "css": [
        "css/root.css",
        "css/open.fing.edu.uy.css"
      ],
      "run_at": "document_start"
    }
  ]
}