CSS GRID CARD CHALLENGE

This challenge has strected me so much beyond what I can handle. I have relearnt my CSS GRID from different resources like the MDN,W3 SCHOOLS and other useful resources, I have relearnt css units. I saw the application that [at]import rule must always be at the top of your CSS file and the two different syntax to write using strings-'' and url(). It is a big fun learning this. This project also deepens my specifity,inheritance and Cascade knowledge which I read from these books(CSS Definite Guide by Eric A. Meyer,Estelle Werl by O'Reilly Publications and Modern CSS by Joe Attardi ).

I need feedback on the responsiveness