Specificity: There is a w3 specificity spec section, but it's less grokable.
HTML5 elements: what elements are new to HTML5? We'll look at semantic sections, dialogs, details, and templates.
<input>: A deep dive into the new HTML5 input types, and other forms features, including native validation, meter, progress and UI selectors that target form elements based on their current state.
Flexbox: The CSS3 Flexible Box layout is all the rage. It's time to implement it. We'll also look at calc() and some box model issues.
We'll cover some basics of Sass, and how it can help improve your work flow. This will be done without a slide deck.
Mobile Performance: Responsive Web Design may be what the cool kids are talking about, but is it the solution to all your mobile woes?