Examine source code of Marmo Fire

{
  "manifest_version": 2,
  "name": "Marmo Fire",
  "version": "1.0.5",
  "description": "Adds functionality and UI enhancements for the University of Waterloo Marmoset submission site.",
  "icons": {
    "48": "assets/icons/icon.svg",
    "96": "assets/icons/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://marmoset.student.cs.uwaterloo.ca/",
        "*://marmoset.student.cs.uwaterloo.ca/view/index.jsp",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/view/index.jsp",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/view/index.jsp"
      ],
      "js": [
        "js/main.js"
      ],
      "css": [
        "css/main.css"
      ]
    },
    {
      "matches": [
        "*://marmoset.student.cs.uwaterloo.ca/view/course.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/view/course.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/view/course.jsp*"
      ],
      "js": [
        "js/main.js",
        "js/course.js"
      ],
      "css": [
        "css/main.css",
        "css/course.css"
      ]
    },
    {
      "matches": [
        "*://marmoset.student.cs.uwaterloo.ca/view/project.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/view/submission.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/view/project.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/view/submission.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/view/project.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/view/submission.jsp*"
      ],
      "js": [
        "js/main.js",
        "js/project.js"
      ],
      "css": [
        "css/main.css",
        "css/project.css"
      ]
    },
    {
      "matches": [
        "*://marmoset.student.cs.uwaterloo.ca/view/submitProject.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-w16/view/submitProject.jsp*",
        "*://marmoset.student.cs.uwaterloo.ca/submitServer-s19/view/submitProject.jsp*"
      ],
      "js": [
        "js/main.js"
      ],
      "css": [
        "css/main.css",
        "css/submit.css"
      ]
    }
  ]
}