But you don’t need to use it, and your sites can still look good without it. How Do CSS and HTML Work Together? If you learned about the web a long time ago, or taught yourself the basics, you may be ...

Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

Header code here Navigation bar code here Load the style sheet containing your CSS code. If you do not use separate style sheets, the CSS will be located between the tags at the top of your HTML file.

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.