This document provides an introduction and overview of HTML5 and CSS3. It begins with an agenda that will cover new elements, features, browser support, tutorials and demos. The document then discusses several new features in HTML5, including the canvas element, audio/video elements, new input types, forms elements and attributes, and web storage. It also covers new features in CSS3, such as animations, backgrounds/borders, text effects, transformations, and multiple column layout. The document describes how to use CSS in HTML and some new user interface properties in CSS3.