The titles are set in Futura, with the body text in Baskerville. Code is set in Courier New.
The header image is a photo I took of Playa Flamenco in Culebra, Puerto Rico. It's a wonderful place to visit. The photo is copyright © 2006–2019, by David Bryant Copeland, All Rights Reserved.
The site is hosted on AWS using CloudFront and S3 and managed by a custom toolchain.