Examine source code of Unbiased for Reddit

{
  "manifest_version": 2,
  "name": "Unbiased for Reddit",
  "version": "1.3",
  "description": "Hide upvotes and awards on reddit.com.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "css": [
        "hide_elements.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{66f03d48-55df-4754-9f29-f6a12b8ef776}"
    }
  }
}