Front-end developer Stephanie (Sullivan) Rewis, owner of W3Conversions, takes you through a variety of innovative uses for the new CSS3 background-size property. More control than you've ever had before!

Creative director and motion graphic artist Angie Taylor (@theangietaylor) shows how to use Photoshop and Adobe After Effects for kinetic typography - combining text and motion to express ideas in the form of animation

In the penultimate part of our responsive web design tutorial, Clearleft's Paul Robert Lloyd explains how media queries work, and describes a device-agnostic approach to breakpoints.

New developments make responsive wireframes a breeze. Chris Da Sie builds a single-page example showcasing the power of open source framework Wirefy

Learn a jQuery expand and collapse technique that will be useful in many situations

Web developer, software engineer and part-time entrepreneur Gilbert Pellegrom explains how to use custom post types in WordPress. In his example Gilbert builds a book database, which you can control via your WordPress admin area and which displays books on your site

Phil Leggetter explains how to use WebSockets and Pusher to build a demo application, plus how to layer a user experience on to an app using progressive enhancement

In this excerpt from The Book of CSS3 Peter Gasston introduces us to the syntax of linear, gradial and multiple CSS gradients and provides examples of how to use them

When Toronto agency Jam3 built www.bjork.com, a site that features an interactive real-time rendered 3D model, they decided to create their own engine to ensure it turned out the way they wanted. Here senior developer Mikko Haapoja explains how you can do the same with a little bit of help of JavaScript and HTML5 Canvas