Hi everyone, I'm baffled. Site is http://johnscurry.com

I've made (and am working on) a very basic html site that consists of buttons to take viewers to the other pages connected to each other.

It's really ugly (i'm learning). I did the same thing for all my pages. It works on my local server, but not on the public servers(?) I use hostgator hosting. All the files are placed in the same folder on the public domain.

everything works the same except that one section of the site says it's a 404 error and page is not found. It should work.

I can't figure out why because I did everything the same, and it's such a simple site I would think i'd be able to spot my error... My site is http://johnscurry.com If you click on the button "College delivery project" then click on "student" you'll get the error. What did I do wrong???