You can check out the codepen for this video here: codepen.io/chrzrdx/details/OJNRxvp . If you really want to learn how to build the resume, use the codepen as a guide, but type in your own code - one line at a time. Slowly, but steadily. That's how great websites get built!
I know you did the auto margin thingy but I think there is a @media: or something along those lines that takes cares of the window size (or a tab size) regardless of the device you are in
What the tutor missed: How to attach photos in resume: It can done using "imgbb" Website It gives url of your image How to make a copy of that: Export zip- download zip- index This provides a html