A colophon traditionally describes the physical qualities of the book and the manner in which it was printed, such as the paper stock, typefaces, and so on.
Most of this book is displayed in Lato, with the exception of Libre Bodoni (free license) to represent Didone in two epigraphs, and the cover fonts as noted in the copyright statement.
I used the Sitely web authoring software (formerly Sparkle) to organize all of the material into the current display.
The term “colophon” also refers to the trademarked icon used to represent a printing house, like so: