Our detectives are back with the following intel on this WordPress site
The site is using the Twenty Sixteen theme by the WordPress team .
We could identify 2 plugins (there might be more) - footnotes and Jetpack by WordPress.com
Twenty Sixteen is a modernized take on an ever-popular WordPress layout — the horizontal masthead with an optional right sidebar that works perfectly for blogs and websites. It has custom color options with beautiful default color schemes, a harmonious fluid grid using a mobile-first approach, and impeccable polish in every detail. Twenty Sixteen will make your WordPress look beautiful everywhere.