With all the whizzbangs of canvas and multimedia, the Ooh!s of the History API and the Aah!s of Appcache, the 30 new elements in HTML5 are often overlooked by developers coming to terms with what's new in the HTML Hood.
But semantics aren't the boring old comfortable cardigan in your developer wardrobe - they're the studded leather codpiece around which the rest of your Mighty HTML Warrior's armour is built.
We'll look at how the new HTML elements came about, note problems with their current specifications, then wonder whether those problems are actually features rather than bugs. We'll also consider the WHATWG's penchant for "teleological semantics" and, back in cardigan mode, propose a middle ground.
By now most of you know how to use the popular new CSS3 features in your stylesheets, like embedding custom fonts or creating rounded corners, drop shadows, and scalable designs with media queries. However, below the surface, there are many other things that CSS3 brings and most web developers have never heard of. In this talk Lea will present many CSS3 features that are useful but underrated, as well as uncommon ways of utilizing the CSS3 features you already know about, in order to do much more with even less images and code.