Examine source code of New Tab Verse

{
  "manifest_version": 2,
  "name": "New Tab Verse",
  "version": "1.3",
  "description": "Replaces the new tab page with a Bible verse.",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "48": "icons/newtab_verse_48.png",
    "96": "icons/newtab_verse_96.png"
  }
}