What have you tried?
Did you go back and reread the lessons on ‘Responsive Web Design Principles’? When you were working through did you just put in the correct answer? Or did you try something different to see what the effect was? That’s a good way to see changes as you work through the lessons. Give the correct answer to move on but try something different and look at the web page to see what the effect is. Resize if you need to.
Did you look at the sample tribute page to see how that was working? Resizing your browser, looking at, and understanding the HTML and CSS markup.
One thing I will mention is that you cannot make up your own HTML elements. I noticed in one part of your code you had a <p1> element. There’s no such thing. While that will not fix your issue, it something you should be aware of and something you should correct.
A hint to get rid of some of the plethora of <br> elements. In your section about young Steve you have one huge paragraph (<p>) with two <br> elements. Instead, when you finished the first paragraph, end it (</p>) then start the next paragraph <p> and when finished, end it </p>. You’ll get the break by doing that.
I understand my answer may be frustrating but each one of these projects builds on the previous one. So what you learn on this one you’ll use in the next and that will add some additional lessons. You’ll have to understand each part to keep growing.