JSFiddle - React, Tailwind, and code Playground

by Rodrigo Portillo

HTML

<div class="v1">
  <div class="v2">
  </div>
</div>

CSS

.v1{
  width: 300px;
  height:300px;
  opacity: .3;
  filter: alpha(opacity=30);
  background-color: blue;
}
.v2{
  width: 100px;
  height: 100px;
  
  background-color: red;
}