Change Scheduler grid class

[SWTESS69]

where do I find the class 'sch-nonworkingtime' I want to change the background color

I have done a search and cannot find it

Thanks

[mats]

Our CSS classes are not documented, but to style a TimeRange just add 'cls' to your data. Look at the CSS for this demo: https://bryntum.com/examples/scheduler/timeranges