Fix flexbox children not shrinking

/** 
* First discovered through Theo Browne (t3.gg)
* As suggested by Adam Wathan in a twit
* For more info read up this in depth article
* (https://www.joshwcomeau.com/css/interactive-guide-to-flexbox/#the-minimum-size-gotcha-11)
* by Josh Comeau
* With a twist from Kevin Powell 
* (https://www.youtube.com/watch?v=FD3aC_Ke8uk)
*/

input,
textarea {
  min-width: 0;
}