Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

Get Coding! Learn HTML, CSS, and JavaScript and Build a Website, App, and Game Young Rewired State. Candlewick, $12.99 trade paper (208p) ISBN 978-0-7636-9276-6 ...

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