How to use Blazor data binding or Blazor variable in an isolation css file?

Question

I can use @ to directly set value with a blazor variable on css style in a razor component.
Like:

But how can I achieve the same thing in a isolation razor component css?

Answer 1

As the css is a static file you can not. Also the CSS file will only load once, so you can not change after load.

Maybe you want to use SASS to build the css file.