JSFiddle - React, Tailwind, and code Playground

by shurikation

HTML

<div class="block">
  <div class="elem"></div>
</div>
<div class="block_two"></div>

CSS

.block {
width: 350px;
height: 200px;
 background-color: yellow;

}

.elem {
  width: 50px;
  height: 50px;
  background-color: red;

}

.block_two {
  width: 300px;
  height: 200px;
  background-color: green;
  margin-top: -9em;
}