https://uxdesign.cc/the-ultimate-guide-to-proper-use-of-animation-in-ux-10bd98614fa9
https://material.io/tools/color/
https://mobbin.design/
https://medium.com/mobgen/interaction-flow-kit-75a8876a3a4
https://lawsofux.com/
https://designercize.com/
https://dribbble.com/shots/3347202-Behind-the-scenes-of-a-design-system
http://danross.co/flow/
http://52weeksofux.com/
http://mindsparklemag.com/
http://codepen.io/sevilayha/pen/IdGKH
http://sneakpeekit.com/
https://atomic.io/
http://pttrns.com/
