JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
  blubb
    <div id="overlap">
        Content goes here.
    </div> 
    <div id="after">
        after.
    </div> 
</div>

CSS

#container{
    width:100px;
    height:400px;
    background:#ccc;
    margin:0 auto;
}

#overlap{
    position:absolute;
    left:0;
    right:0;
    height:100px;
    background:red;
    color:white;
}

#after{
    position:relative;
    height:100px;
    background:green;
    color:white;
}