Examine source code of PP

{
  "name": "PP",
  "description": "Show big PP and small PP instead of upvote and downvote on reddit",
  "version": "1.0.0",
  "manifest_version": 2,
  "author": "Ayoub Oudmane",
  "browser_action": {
    "default_popup": "action.html",
    "default_icon": {
      "16": "images/icon.16.png",
      "32": "images/icon.32.png",
      "48": "images/icon.48.png",
      "128": "images/icon.128.png"
    }
  },
  "icons": {
    "16": "images/icon.16.png",
    "32": "images/icon.32.png",
    "48": "images/icon.48.png",
    "128": "images/icon.128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.reddit.com/*"
      ],
      "css": [
        "css/reddit.com.css"
      ]
    }
  ]
}