Tribute task help! Can't get image margin to decrease

Hi everyone, I’m doing the tribute page task and have finished it except for one thing I can’t figure out how to fix. There is a big space to the right of my image. It looks fine in Editor view, but not in the actual full web page:

Editor view:
Full view:

Does anyone have any ideas about what I’m doing wrong?

Edit: I’ve just had this fixed for me by someone else. I added this to the bottom of my CSS.

figure img {
width: 100%;
height: auto;

I didn’t know that was a selector but apparently it is for any images within a figure. Yay!