Video Background pauses when scrolling

Hi got a Background video element that would like to stop when scrolling so its not so busy.

Please help I have tried several bits of custom code without success

thanks


Here is my site Read-Only: https://preview.webflow.com/preview/jamoo?utm_medium=preview_link&utm_source=dashboard&utm_content=jamoo&preview=726d989214d117cfeb02caada92129b4&workflow=preview