JSFiddle - React, Tailwind, and code Playground

by ffMathy

HTML

<div id="A" style="margin-top: 60px">
  <div id="B" style="margin-top: 50px">
    <div ID="C" style="margin-top: 40px">
      
    </div>
  </div>
</div>

CSS

div {
  width: 10px;
  height: 10px;
}

#C {
  background-color: green;
}

#A {
  background-color: blue;
}