But you don’t need to use it, and your sites can still look good without it. How Do CSS and HTML Work Together? If you learned about the web a long time ago, or taught yourself the basics, you may be ...

Learn HTML and CSS online for free, and use them to create webpages or move up in your career.

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.