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.

Nowadays it's easy to put together a web presence using social media and a personal landing page, but if you want to actually make your own web site you're going to need to learn HTML and CSS.

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 ...

Create a section for your CSS style sheet in the header of your HTML page. Link to an external CSS style sheet as an alternative for larger stylesheets.

You can also add a background-position attribute to your CSS, with values such as center, left top and right bottom. Add this attribute to make your GIF appear at specific locations in the background.