I'm getting a rendering issue on a desktop pc, when accuracy is very bad. Unfortunately, the page is not yet publicly available, so I attached a screenshot of the behavior, maybe you have an idea what causes the issue.

What steps will reproduce the problem? 1. Have PC connected to internet with both LAN and WLAN 2. Disable WLAN 3. Rendering error occurs

Expected result: correctly rendered circle (in case of zoom, a darkened background)

Actual result: blue and orange map tiles become visible

Version: 1.0

Browser / Operating System: Windows: Firefox, Chrome