JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="btn"><span>Press this!</span></a>

CSS

a, a:visited {color:#fff}

.btn {
  display: inline-block;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  border-radius: 8px;
  -webkit-box-shadow:
    0 5px 0 #1a74a1,
    0 15px 20px rgba(0,0,0,.35);
  -moz-box-shadow:
    0 5px 0 #1a74a1,
    0 15px 20px rgba(0,0,0,.35);
  box-shadow:
    0 5px 0 #1a74a1,
    0 15px 20px rgba(0,0,0,.35);
  -webkit-transition: -webkit-box-shadow .2s ease-in-out;
  -moz-transition: -moz-box-shadow .2s ease-in-out;
  -o-transition: -o-box-shadow .2s ease-in-out;
  transition: box-shadow .2s ease-in-out;
    background: #1a74a1;
}

.btn span {
  display: inline-block;
  padding: 10px  20px;
  font-family: "cooper-black-std-1", 
"cooper-black-std-2", Helvetica, Arial, sans-serif;
  line-height: 1;
  text-shadow: 0 -1px 1px rgba(19,65,88,.8);
  background: #3194c6;
  background: -webkit-gradient(linear, 0% 0%, 0% 100%, 
from(#3194c6), 
to(#5bacd6));
  background: -moz-linear-gradient(#3194c6, #5bacd6);
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  border-radius: 8px;
  -webkit-box-shadow: inset 0 -1px 1px rgba(255,255,255,.15);
  -moz-box-shadow: inset 0 -1px 1px rgba(255,255,255,.15);
  box-shadow: inset 0 -1px 1px rgba(255,255,255,.15);
  -webkit-transition: -webkit-transform .2s ease-in-out;
  -moz-transition: -moz-transform .2s ease-in-out;
  -o-transition: -o-transform .2s ease-in-out;
  transition: transform .2s ease-in-out;
}

.btn:hover {
  -webkit-box-shadow:
    0 5px 0 #1a74a1,
    0 12px 10px rgba(0,0,0,.3);
  -moz-box-shadow:
    0 5px 0 #1a74a1,
    0 12px 10px rgba(0,0,0,.3);
  box-shadow:
    0 5px 0 #1a74a1,
    0 12px 10px rgba(0,0,0,.3);
}

.btn:hover span {
  -webkit-transform: translate(0, -4px);
  -moz-transform: translate(0, -4px);
  -o-transform: translate(0, -4px);
  transform: translate(0, -4px);
}

.btn:active {
  -webkit-box-shadow:
    0 5px 0 #1a74a1,
    0 12px 10px rgba(0,0,0,.3);
  -moz-box-shadow:
    0 5px 0 #1a74a1,
    0 12px 10px rgba(0,0,0,.3);
  box-shadow:
    0 5px 0...