Andrew's Tribute Page- i need a review, please

I am not so experienced in web developing and i don’t have too much time because i’m at highschool, but i try to do my best because i want a career in web developing so, here is my project: .
Thank you for any review!

You can remove the div with class “wrapper” and add the wrapper css to jumbotron.

  background-color: silver;

Ok. I modified that. Thanks!