Steps:

1. Go to Page
2. Click [+] button and choose Landing Page
3. Select default layout and confirm
4. Drag and drop Places block
5. Fill the content (Places) and switch to the Design tab, choose Platform EE Demo places map and confirm
6. Fill required fields and click Publish
7. Switch to the edit mode again and drop a block above Places block

Actual result:

• After step 5 - places block gets grey, after publishing it looks like map
• After step 7 - every new block is black like Places block, it is not visible without a hover.

Expected result:

Another blocks should be visible.