close,restore down and minimize buttons not showing after the last update

[FCB-Kratos]

Hello
After update 83 close,restore down and minimize buttons stopped appearing, they are still there when i hover over them.

Thanks

• browser version: stable 83.0
• operating system: windows 8.1
• screenshots: https://i.imgur.com/31Q5R1Q.png
• how you are using ShadowFox: complete userChrome with little extra

[JB330]

Here's also broken shadowfox. My status..