https://codepen.io/AllThingsSmitty/pen/vEKvZL
https://codepen.io/batuhanbas/pen/dyMKjmx
https://codepen.io/stufreen/pen/KOWKBw
https://codepen.io/cobra_winfrey/pen/ZEYzMBj
https://codepen.io/electricgarden/pen/YzzWMyM
https://codepen.io/chrisgannon/pen/ZZjgdO
http://caniuse.com/
http://specro.github.io/Philter/
