Examine source code of Hacker News Plus

{
  "manifest_version": 2,
  "name": "Hacker News Plus",
  "description": "This extension adds hoverable links to enhance the Hacker News comment section.",
  "version": "0.2resigned1",
  "icons": {
    "16": "imgs/icon16.png",
    "48": "imgs/icon48.png",
    "128": "imgs/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://news.ycombinator.com/item*",
        "https://news.ycombinator.com/item*"
      ],
      "css": [
        "css/hacker-news-plus-styles.css"
      ],
      "js": [
        "js/hacker-news-plus.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2505999-a235-4d47-bae5-f757d8dee865}"
    }
  }
}