All the key browsers use distinct rendering engines. I assume this is a huge reason why there are lots of cross-browser compatibility problems! To work with these polyfills, simply add HTML boolean logic to place them, When the browser is a lot less than the will IE Edition. Instance code https://www.presta-addons-modules.com/en/front-office/prestashop-geoip-popup-message-and-redirect-links-based-on-country.html