Here&#x27;s one of many examples I found on the first page of Google.<p><a href="https:&#x2F;&#x2F;www.smashingmagazine.com&#x2F;2009&#x2F;05&#x2F;modal-windows-in-modern-web-design&#x2F;#when-to-use-modal-windows" rel="nofollow">https:&#x2F;&#x2F;www.smashingmagazine.com&#x2F;2009&#x2F;05&#x2F;modal-windows-in-mo...</a>