InfraUnicode and Encoding| html.spec.whatwg.org
Understanding| www.w3.org
The Media Queries Level 4 Interaction Media Features — pointer, hover, any-pointer and any-hover — are meant to allow sites to implement different styles and functionality (either CSS-specific interactivity like :hover, or JavaScript behaviors, when queried using window.matchMedia), depending on the particular characteristics of a user’s input device.| CSS-Tricks
Meet Patrick H. Lauke, he's a technical wiz, passionate advocate and all-round expert in the world of digital accessibility. Here he shares his favourite resources and tips for those starting out.| TetraLogical