Polyfill bundle, loading only if feature is not supported by browser
// https://polyfill.io/v3/polyfill.js?flags=gated&features=IntersectionObserver%2CHTMLPictureElement%2CMutationObserver%2CPromise%2CResizeObserver%2Cdocument.getElementsByClassName%2Cdocument.querySelector%2CmatchMedia%2CrequestAnimationFrame%2CIntersectionObserverEntry%2C%7Ehtml5-elements
/* Polyfills included:
HTMLPictureElement
IntersectionObserver
IntersectionObserverEntry
MutationObserver
Promise
ResizeObserver
document.getElementsByClassName
matchMedia
requestAnimationFrame
html5-elements
*/
// Made with https://polyfill.io/v3/url-builder