And we’ve also got a roundup of the best web design software for Mac. How to learn HTML and CSS and web design on your Mac: what you’ll need You don’t need much to create web pages in OS X.

For example, if you want the page "index.html" to use the CSS template "template.css," then save template.css in the same folder in which you store "index.html." Open the HTML file in a text editor.

Step 1: Build the basics with HTML HTML (Hypertext Markup Language) is your website’s skeleton. A clear structure can guide your visitors to the information they are looking for.

A software developer from San Francisco managed to do what no one else did before, creating a fully-functional two-way chat using only CSS and HTML, completely ditching JavaScript in the process.