manifest.json

{
    "manifest_version": 2,
    "name": "Art Institute of Chicago: Art Tab",
    "description": "Sneak some inspiration into your day. See a new, random artwork from the museum's vast collection every time you open a new tab.",
    "version": "1.3",
    "author": "Art Institute of Chicago",
    "browser_action": {
        "default_icon": "assets/logo--icon--16.png",
        "default_title": "Art Institute of Chicago"
    },
    "content_security_policy": "script-src 'self' unsafe-inline https://cdn.jsdelivr.net https://ssl.google-analytics.com; object-src 'self'",
    "chrome_url_overrides": {
        "newtab": "index.html"
    },
    "permissions": ["activeTab"],
    "icons": {
        "16": "assets/logo--icon--16.png",
        "48": "assets/logo--icon--48.png",
        "128": "assets/logo--icon--128.png"
    }
}