Original Post from Chris Galardi: The most useful frontend web development website got a good facelift =D CSS · @font-face Web fonts · Blending of HTML and SVG element · calc() as CSS unit value · 2.1 selectors · background-blend-mode · Counters · Feature Queries · Filter Effects · Generated content for pseudo-elements · Gradients · Grid Layout · Hyphenation · inline-block · Masks · min/max-width/ ... - mjc