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.

HTML provides the structure, content and layout, CSS adds style and design, and JavaScript adds functionality and interactivity.

CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.

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All you have to do is store your HTML, JavaScript, and CSS files, and then share a link to your starting HTML file. In fact, Google is eating its own dog food by hosting the instructions on how to ...