SYMPTOM:
When a Google Sankey Diagram is deployed from Visualization Gallery into Strategy 10.4 Visual Insight the icon is not visible.

CAUSE:
The google sankey diagram plugin included is missing a ";" (semicolon) in the file Html5ViPage.css which prevents the icon from showing.
ACTION:
Please edit the Html5ViPage.cssis file and add semicolon is missing, this is its location:
…
Background-image: url(“../style/image/icon.png”);
…
Once the change has been made, you should be able to see the icon.
KB439288