Examine source code of Sticky Headers Begone

{
  "manifest_version": 2,
  "name": "Sticky Headers Begone",
  "version": "1.1resigned1",
  "description": "Remove sticky headers for supported sites.",
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/search?*"
      ],
      "js": [
        "google_unsticky.js"
      ]
    },
    {
      "matches": [
        "*://*.google.ca/search?*"
      ],
      "js": [
        "google_unsticky.js"
      ]
    },
    {
      "matches": [
        "*://*.stackoverflow.com/*"
      ],
      "js": [
        "stackoverflow_unsticky.js"
      ]
    },
    {
      "matches": [
        "*://*.mangadex.org/*"
      ],
      "js": [
        "mangadex_unsticky.js"
      ]
    },
    {
      "matches": [
        "*://*.w3schools.com/*"
      ],
      "js": [
        "w3schools_unsticky.js"
      ]
    },
    {
      "matches": [
        "*://*.quora.com/*"
      ],
      "js": [
        "quora_unsticky.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/border-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7945712c-f906-471b-bd69-d6b23a338d34}"
    }
  }
}