JSFiddle - React, Tailwind, and code Playground

by Dmitry

HTML

<button>
fake
</button>

CSS

button {
  background: transparent;
  border: none;
  position: relative;
  display: block;
  /*
  width: 100px;
  height: 50px;
  */
  font-size: 16px;
  line-height: 34px;
  padding: 0 4px;
  height: 34px;
  border: #00f solid 1px;
  z-index: 10;
}
button:before {
  content: " ";
  display: block;
  background: #f00;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
/*
button:after {
  content: " ";
  display: block;
  background: #0f0;
  width: 50px;
  height: 25px;
  position: aboslute;
  top: 0;
  left: 0;
  z-index: 10;
}
*/