Web pages are (mostly) set up using HTML (Hyper Text Markup Language ... to link them to your HTML pages. How to learn HTML, CSS and web design on your Mac: What are HTML and CSS?

Style sheets dictate how HTML documents ... styles to your Web page, making it simpler to design your website and maintain consistency throughout. You can use even use CSS sheets as a basis ...

First, you'll learn how to code in HTML, which is awesomely geeky. Then you'll move on to code-editing features and learn how to style your pages using CSS. Finally, you'll learn some more advanced ...