With HTML5, CSS and JavaScript, you can build some pretty nice little games — and without a significant up-front investment.

The AI began to reason, thinking, 'The user wants you to create a Space Invaders game using HTML, CSS, and JavaScript.

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

These three programming languages are tools that you can use to create, design and style your very own website.

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