Product Landing Page - Issue with Code that was Not There When I Finished the Project

problem for code has been given before Product Landing Page - Build a Product Landing Page

me tried your code in VScode and not same letters errors same as in answer from before in website added here
can be problem with * flex display or another thing can try and change code a little and use flex for list and than add some classes to div for better control of webpage me tried and added some extra code to your webpage and changed * flex display and was fixed
add some height to header than use margin for main or other div to give space and use background color than can know and see change on computer screen
Also try to use html document code good practices which can be using a head element and than body and than add what can want hope can help but your webpage is ok on vsCode thank you take care gn gm fren