Classes not loading properly

[msb07]

Hello, i'm testing the dialog component on my project and I noticed that some classes are not loading on the file

This is the dialog on documentation:

This is the dialog in my project:

I used the manual installation. Notice that the classes in p tag is loading correctly but the h2 and dialog are not.

Any ideas what am I missing?

[msb07]

I was importing some parts from radix, not shadcn :))