Inheriting box-sizing as best practice

box-sizing-reset.css

/*
 * This will give you the same result, and make 
 * it easier to change the box-sizing in plugins 
 * or other components that leverage other behavior.
 * @see https://css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/
 */
html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}