Graphics change in HTML

Does anyone know why graphics look different in HTML than they do in Lectora? For example, a graphic that has a white or transparent background now has a gray background when published in HTML. Are there any fixes for this?? Besides finding new graphics?Does anyone know why graphics look different in HTML than they do in Lectora? For example, a graphic that has a white or transparent background now has a gray background when published in HTML. Are there any fixes for this?? Besides finding new graphics?

Discussions have been disabled for this post