Examine source code of Blinders

{
  "manifest_version": 2,
  "name": "Blinders",
  "version": "0.1.2",
  "description": "Hides/shows distracting elements on select websites. Free your mind.",
  "icons": {
    "48": "icons/blinders-icon.svg",
    "96": "icons/blinders-icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*",
        "*://*.twitter.com/*",
        "*://news.ycombinator.com/*"
      ],
      "js": [
        "blinders.js"
      ],
      "css": [
        "blinders.css"
      ]
    }
  ]
}