css3 Transform: translate(-50%, -50%). transition property part 2 - YouTube
Stefan Judis on Twitter: "Sweet! 👏 Individual transforms are coming to Chrome. ⚠️ But you can't just move all scale(), translate() and rotate() functions to their property counterparts, because order matters. 👇
TranslateY only - GSAP - GreenSock
How to Dead Center Absolutely Positioned Elements in CSS - Webtips