Gradient in sidebar is broken

[zplawecki]

Captchas

• [x] I have read the instructions.
• [x] I have searched existing issues and avoided creating duplicates.
• [x] I am not filing an enhancement request.
• [x] I have checked that this issue cannot be reproduced on Mozilla Firefox.
• [x] I have checked that this issue can be reproduced once I removed all my Mods and Custom CSS.

What happened?

As on screenshot - instead of smooth gradient, which was visible in previous version of Zen, now the colors look like mess. I'm using Zen Mod for color picker, but it doesn't matter if it's active or not, it doesn't change how the sidebar looks.

Version

1.12.7b

What platform are you seeing the problem on?

Windows - x64

What component is this issue related to?

Customizable UI / Toolbars

Relevant log output if applicable