Finally managed to get my pictures lined up and centered but when I add a link to them, they go down instead of across. I’m sure it’s something to do with the a href as there are a href inks in the header and footer. Here’s the codepen http://codepen.io/timmparsons/full/zKxLOA/
Your imgs aren’t showing up because you’re hosting them from your own files, try using a site like Cloudinary to host them on a server 