Examine source code of Dark Codechef

{
  "manifest_version": 2,
  "name": "Dark Codechef",
  "version": "0.1.0",
  "content_scripts": [
    {
      "matches": [
        "*://www.codechef.com/*"
      ],
      "exclude_globs": [
        "*www.codechef.com/viewsolution*",
        "*https://www.codechef.com/ide*"
      ],
      "run_at": "document_idle",
      "js": [
        "script.js"
      ],
      "css": [
        "css/problemPage.css",
        "css/home.css",
        "css/misc.css",
        "css/table.css",
        "css/user.css",
        "css/submission.css"
      ]
    }
  ],
  "icons": {
    "32": "img/coding32.png",
    "64": "img/coding64.png",
    "128": "img/coding128.png",
    "256": "img/coding256.png",
    "512": "img/coding512.png"
  }
}