Send the following on WhatsApp
Continue to ChatHeadroom.js - give your pages some headroom https://mamchenkov.net/wordpress/2014/05/30/headroom-js-give-your-pages-some-headroom/
Headroom.js - give your pages some headroom https://mamchenkov.net/wordpress/2014/05/30/headroom-js-give-your-pages-some-headroom/