JSFiddle - React, Tailwind, and code Playground

by Michaël van de Weerd

HTML

<div class="vink">
  <input type="checkbox" id="c">
</div>
<p>
  check is <span id="i">unchecked</span>
</p>

CSS

input[type="checkbox"] {
  display: inline;
  cursor: pointer;
  box-shadow: inset 13px 0 green;
  margin: 0;
  margin-bottom: -3px;
  padding: 0;
  font-size: 65%;
  height: 13px;
}

input[type="checkbox"]:checked {
  box-shadow: inset 13px 0 yellow;
}

div.vink {
  padding: 3px;
  display: inline;
  box-shadow: inset 0 0 0 3px white;
  box-sizing: border-box;
}

div.vink:before {
  display: inline-block;
  width: 13px;
  height: 13px;
  margin-right: -16px;
  margin-bottom: -3px;
  content: "";
}

JavaScript

var i = document.getElementById("i");
var c = document.getElementById("c");

c.onclick = function() {
	if(c.checked) {
  	i.innerHTML = "checked";
  } else {
  	i.innerHTML = "unchecked";
  }
}