Need some help please, I am using WDP 12.x and have a video layer which auto plays after popup, if the video is closed after a few seconds delay the sound will continue to play, is there a way to prevent this? he is my current code....

<iframe src="https://www.youtube.com/embed/s-jMKnmsI_M?rel=0&autoplay=1&hd=1" width="720" height="405" frameborder="0" allowfullscreen></iframe>

Appreciate any help