How do I learn to code in HTML and CSS on my Mac? Web design is one of the most useful skills you can learn, and it’s easy to learn HTML and CSS (the two main pillars of web pages) in Mac OS X.

Learn HTML and CSS online for free, and use them to create webpages or move up in your career. ... MDN Web Docs is a good option for self-starters because it’s more text- and image-based.