WebViewer transparent background?

Is it possible to set the background of the WebViewer to be transparent? I have a webpage with the body CSS styled to “background:transparent” but no matter what I do, the webpage renders with a white background. Is this possible? I understand if it’s not possible, but wondering if I am missing something. Thanks!

I tried this and stopped on the option when the background WebViewer = Screen background

Could you elaborate on this answer? Where is this option? Is it something you do in the blocks or design section?

I wrote a similar question here and I’m’ trying to figure out the same solution.

Hopelly , can help to solve it.