JSFiddle - React, Tailwind, and code Playground

HTML

<body>
  <div class="parent">
    <div class="child">element 2</div>
  </div>
</body>

CSS

.parent {
  background-color: yellow;
  /*border: 1px solid black;*/
  padding-top: 1px;
}
.child {
  background-color: green;
  margin-top: 50px;
}