Now [Andy Green] has extended the possibilities with affordable silicon, by producing a proof-of-concept HTML + CSS renderer over h2 on ESP32 for libwebsockets. Surf the web on a microcontroller ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code ... with a page divided into various ...

The same technique can be used to render a Koch snowflake – seen on this page. Yes, it’s all HTML and CSS, without JavaScript. Why? Because he can, and that’s good enough for us.