manifest.json

{
    "manifest_version": 2,
    "name": "StudEaz for Google Classroom",
    "version": "1.3",
    "description": "Get rid of all the hassle of manually downloading materials from Google Classroom. Download multiple documents in a few clicks.",
    
    "permissions": 
    [
        "activeTab"
    ],

    "content_scripts": 
    [
        {
            "matches": 
            [
                "https://classroom.google.com/*",
                "http://classroom.google.com/*"
            ],
            
            "js": 
            [
                "content.js"
            ]
        }
    ],

    "icons": 
    {
        "16": "assets/icon16.png",
        "48": "assets/icon48.png",
        "128": "assets/icon128.png"
    },
    
    "browser_action": 
    {
        "default_icon": "assets/icon16.png",
        "default_popup": "pop.html",
        "default_title": "StudEaz for Google Classroom"
    }
}