Can't override css

Hi, I'm trying to override the css of a datepicker cell, but for some reason my changes don't get applied. Am i doing something wrong?

css file:

index file:

You can check what style is applied and the style weight using your browser developer tools inspector.

It seems my styles aren't even being computed when trying to adjust a radzen component.

This is how Blazor CSS isolation works: ASP.NET Core Blazor CSS isolation | Microsoft Learn

Ah, my bad, it seems I just didn't understand how blazor deals with css. Thank you for the help!