Product landing page bug

I completed this project last night so why is it saying I havent done a single thing???

Your code so far

/* file: index.html */

/* file: styles.css */

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0

Challenge: Build a Product Landing Page

Link to the challenge: