Reply To: I want to play only the background image. However, the box in the middle is also

Hello,

In this case, I suggest you add the custom CSS class to the promo banner in which the above code will work. https://take.ms/U6Z0J

Here is an example: https://take.ms/OWFDZ

.animated-banner .promo-banner .main-wrapp-img {
    animation: scale 30s linear infinite;
}

Kind Regards