Please write your name and university affiliation below, plus amount of github pages knowledge.
According to Github
GitHub Pages are public webpages hosted and easily published through GitHub. The quickest way to get up and running is by using the Jekyll Theme Chooser to load a pre-made theme. You can then modify your GitHub Pages’ content and style remotely via the web or locally on your computer.
Again these pages can be used for
“But I found a really cool page, and if it just had a few tweaks it’d work great for me”
That’s the idea!
“copy a pre-existing repository (definition: a project) on github to your own account”