How do I post a link to my tribute page? Solution found

href=“https://codepen.io/api/oembed?url=https://codepen.io/helen-nelson/pen/QJqMYp&format=json
title=“Sample tribute page” />

I am having problems trying to center an image. I looked it up on W3school, and it suggest I use auto margins and an display: inline-block, Will this still be responsive? Well, i found the answer to the image center question.

But i still need to know how to post a link to my tribute pen.