asking for autoplay help

Hi I'm trying to do the autoplay CSS thing for my profile but it just will NOT work and ive been digging and trying different things but i still cant get it to work. 

this is the code;;

<iframe width="0" height="0" src="https://www.youtube.com/embed/apQ72oV80_Q//?&;amp;;autoplay=1&;loop=1&;controls=1" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" loading="lazy"></iframe>

and this is the video im trying to use;;

https://www.youtube.com/watch?v=apQ72oV80_Q

if anyone could help me out id really appreciate it