Examine source code of YTPLR Minimal Theme

{
  "manifest_version": 2,
  "name": "Youtube-Playlist-Randomizer Minimal Theme",
  "description": "A minimal and flat theme for the website https://youtube-playlist-randomizer.bitbucket.io.",
  "version": "0.1.3",
  "icons": {
    "16": "/img/icon-16.png",
    "48": "/img/icon-48.png",
    "128": "/img/icon-128.png"
  },
  "author": "Muhaiminul Yeamin",
  "content_scripts": [
    {
      "matches": [
        "https://youtube-playlist-randomizer.bitbucket.io/*"
      ],
      "css": [
        "main.css"
      ],
      "js": [
        "main.js"
      ]
    }
  ]
}