Order_Summary-Component-Main using html and CSs

This is my first project using html and Css.I really need feedback for my very first challenge.Please teach me and tell my mistakes to rise my front end developer skill.I decide to continue learning in front end development.My html and Css code are old because I learn html and css by myself using website and course.I continue learning in javascript, bootstrap and jQuery.So I really need feedbacks for my first time challenges.Thanks you all.