Pretty straight-forward design. I like the way it harkens back to a time that dates with the main illustration/portrait of Darwin. They type supports this and is fun at the same time. The illustrations are all very nice and fitting as well as the coloring chosen. It all blends well to set the tone for the content.
Mastering Grids in UI Design: The Backbone of Visual Harmony
A modern guide to UI design grids, learn how to build flexible 12-column and 4-column systems, master margins, gutters, and modules, and apply today’s responsive layout best practices.
This is great. I love the overall look and feel.