Hello, how can I set a specific background color for app bar?

Hello, how can I set a specific background color for app bar?

[Checkout the following link]
(https://github.com/appreciated/vaadin-app-layout/issues/163#issuecomment-438968625).
The variable you are looking for is --app-layout-bar-background-color

Johannes Goebel:
–app-layout-bar-background-color

Nice, many thanks!