Embed iframe in shopify

can someone help me with this iframe as it is not working:

<iframe allow="camera; microphone; fullscreen; display-capture" src="https://meet.jit.si/908d7uyrhj9-opening-coffee-shop" style="height: 100%; width: 100%;border: 0px;"></iframe> 

its on this page: https://canadianbaristainstitute.com/pages/how-to-open-a-coffee-shop-webinar

This is the correct way of doing it: https://jitsi.github.io/handbook/docs/dev-guide/dev-guide-iframe