JSFiddle - React, Tailwind, and code Playground

HTML

<div class="blurme">

  <div class="positionme">
  
  
  </div>
</div>

CSS

.blurme{
  /*filter: blur(1px);*/
}
.positionme{
  position:absolute;
  top:0;
  left:0;
  width: 50px;
  height: 50px;
  background-color: blue;
}