JSFiddle - React, Tailwind, and code Playground

by thomas4g

HTML

<div class="backgroundOpacity">
    My Epic Content
</div>
<br/>
<div class="backgroundDiv">
    <div id="background"> </div>
    My Other Epic Content
</div>

CSS

.backgroundOpacity {
 background-color:rgba(0,0,0,.5);
}
.backgroundDiv {
  position:relative;  
}
#background {
 position:absolute;
  top:0;
   left:0;
   width:100%;
   height:100%;
   background-color:#000;
   opacity: .5; 
}