Examine source code of New2Tab

{
  "manifest_version": 2,
  "name": "New2Tab",
  "short_name": "New2Tab",
  "version": "1.4.4",
  "author": "Coder Ant",
  "description": "A newtab page which includes a bookmark bar only on the newtab, customise folder that appears on the bookmark bar, sections for top sites, bookmark search and recent bookmarks",
  "chrome_url_overrides": {
    "newtab": "ebb.html"
  },
  "permissions": [
    "topSites",
    "storage",
    "bookmarks"
  ],
  "icons": {
    "48": "icon.png",
    "96": "icon@2x.png"
  },
  "applications": {
    "gecko": {
      "id": "{7639f096-efc0-4aff-b498-27b80a7b0cf0}",
      "strict_min_version": "54.0"
    }
  },
  "background": {
    "page": "background.html"
  }
}