JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" id="my-cb" class="custom-cb" />
<label for="my-cb">Checkbox</label>

CSS

.custom-cb {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: none;
  clip: rect(0 0 0 0);
}

.custom-cb + label::before {
  content: '';
  width: 10px;
  height: 10px;
  margin-right: 5px;
  
  display: inline-block;;
  background: crimson;
}

.custom-cb:checked + label::before {
  background: #2BED14;
}