JSFiddle - React, Tailwind, and code Playground

by halirgb

HTML

<div class="rgba">
    
</div>
<div class="opacity">
    
</div>

CSS

body{
    background-color:red;
}
.rgba,
.opacity{
    height:200px;
    width:200px;
}

.rgba{
  background-color:rgba(225,225,225,0.4);
}
.opacity{
    opacity: 0.4;
    background-color:#fff;
}