bg-grey-darkest doesn't exist

[welbinator]

the header is supposed to have a dark grey background, coming from this class bg-grey-darkest but the background is white, and when I checked the CDN css file, there is no class bg-grey-darkest

[tailwindtoolbox]

Hi @welbinator
Sorry for the delay, haven't been on my laptop for a while.

I think you might be looking at the old pre v1 file as bg-grey-darkest was the old naming convention for colours before it was changed in v1.

Have a look at this one to see the proper code:
https://github.com/tailwindtoolbox/Fixed-Header/blob/master/index.html

Hope that helps?