Overall this is a fairly simple and straight forward design, but the diagonal lines make it stand out for me. I could take or leave the magenta color but I like the blue and light blue.
Beyond the Basics: Unlocking the Real Power of CSS Pseudo-Classes
Unlock the full potential of CSS pseudo-classes. Go beyond :hover and explore powerful, modern techniques that reduce code bloat, enhance accessibility, and replace JavaScript with smarter, scalable styling.
It’s nice. Some very cool HTML5 stuff on there.