Examine source code of Campus+

{
  "manifest_version": 2,
  "name": "Campus+",
  "version": "1.1.1",
  "author": "Temmie",
  "description": "Makes campus usable",
  "homepage_url": "https://github.com/JustTemmie/campus-plus",
  "icons": {
    "48": "icons/campus.png"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.campus.inkrement.no/*"
      ],
      "js": [
        "app.js"
      ]
    },
    {
      "matches": [
        "*://*.campus.inkrement.no/Discussion*"
      ],
      "js": [
        "scripts/customCSS.js"
      ]
    },
    {
      "matches": [
        "*://*.campus.inkrement.no/Education/Lecture*"
      ],
      "js": [
        "scripts/videoSpeed.js",
        "scripts/removeHand.js"
      ]
    },
    {
      "matches": [
        "*://*.campus.inkrement.no/Assignment*"
      ],
      "js": [
        "scripts/removeHand.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/campus.png",
    "default_title": "Campus+",
    "default_popup": "popup/view.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab92dbf8-0881-436c-8a1e-547a718af0f9}"
    }
  }
}