HTML looks pretty handwritten (lack of crazy css classes and simple structure)
<link rel="stylesheet" href="https://fi-le.net/css/tufte.css">
They are using tufte.css https://edwardtufte.github.io/tufte-css/
HTML looks pretty handwritten (lack of crazy css classes and simple structure)
<link rel="stylesheet" href="https://fi-le.net/css/tufte.css">
They are using tufte.css https://edwardtufte.github.io/tufte-css/