How to learn HTML, CSS and web design on your Mac: Create a simple page Building web pages really couldn’t be easier. Web pages are (mostly) set up using HTML (Hyper Text Markup Language).

Web pages normally add images using the inline HTML "img" tag. CSS coding usually doesn't set an image's source because CSS controls design rather than content.

Screenshot: Wordle If you want to build websites properly, you need to learn HTML or CSS—although plenty of services like Squarespace will now let you design pages without knowing any code.