Challenge Project: Website design system....I cannot get my font to change

I cannot get my font to change. I completed @font-face. I added 2 different fonts so far. Asul and Poppins. Asul seemed to work just fine, however I haven’t been able to figure out why Poppins is not working. I included a link to my project. Can someone help?

https://www.codecademy.com/projects/practice/independent-project-web-design-system