[Reveal, Card] Visible content and hidden content displayed together

[ghabriel25]

Bug Report

When using reveal elements to show or hide content on hover, the visibile content and hidden content displayed together inside card content.

Expected result

The hidden content should be hidden by default

Actual result

The visibile content and hidden content displayed together. Its because visible content doesn't have initial background.

Testcase

https://jsfiddle.net/fm4pb18L/

Screenshot (if possible)

Version

2.9.4