Examine source code of Motivation Tab

{
  "manifest_version": 2,
  "name": "Motivation Tab",
  "description": "Shows Random Quotes ",
  "version": "1.1resigned1",
  "chrome_url_overrides": {
    "newtab": "my-new-tab.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0c1b5e7a-2309-461d-b32a-82748def0d3c}"
    }
  }
}