JSFiddle - React, Tailwind, and code Playground

by Alex

HTML

<p>
      <input type="checkbox" id="c1" name="cb">
      <label for="c1">Option 01</label>
    </p>

CSS

label {
  cursor: pointer;
}
input[type="checkbox"] + label:before {
  border: 1px solid #333;
  content: "\00a0";
  display: inline-block;
  font: 16px/1em sans-serif;
  height: 16px;
  margin: 0 0.5em 0 0;
  padding: 0;
  vertical-align: top;
  width: 16px;
}
input[type="checkbox"]:checked + label:before {
  background: #000;
  color: #fff;
  content: "\00d7";
  text-align: center;
}