JetBrains’ WebStorm is an IDE for HTML, CSS, JavaScript, and XML, with support for projects (seen in the left-hand pane) and version control systems, including GitHub.

Whatever your reasons, it’s never been easier to start learning how to build websites from scratch than with help from HTML, CSS, & JavaScript All-in-One For Dummies.

If you haven’t programmed in JavaScript before, the "Intro to JavaScript" is a wonderful free course that helps you graduate from writing HTML and CSS on to JavaScript.

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.