Our detectives are back with the following intel on this WordPress site
The site is using the Hoffman theme by Anders Norén .
We could identify 2 plugins (there might be more) - All in One SEO Pack and Contact Form 7
Hoffman is a beautifully minimal, responsive and retina-ready theme for bloggers. It features a social icon menu, Jetpack support for infinite scroll, Block Editor/Gutenberg support, three custom widgets, two page templates, editor styling, translation-ready code, custom accent color support, custom background support, support for the gallery post format, and much more. Demo: https://www.andersnoren.se/themes/hoffman/