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.

Cascading Style Sheets (CSS) first dropped in 1996, and it remains an essential, evolving part of the web development ... like Listing 6. This way, you can fine-tune a layout based on the size ...