Forum Discussion
JudyNollet
12 months agoSuper Hero
The most common cause for that is that the layers have a solid background fill. As Phil said, that could be on the Master Feedback layout or on layer itself.
Another possibility is that the base isn't "locked" for viewing.
This post has details about those and other potential causes: https://community.articulate.com/discussions/articulate-storyline/can-t-see-the-base-from-a-layer-or-is-it-just-dimmed-is-that-what-you-want-here-s-how-to-control-base-visibility