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.

Open one of your HTML documents and paste the code shown below into your document's head section: This code creates four CSS classes that define a font's foreground color, background color, size ...