JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
</head>

<body>
<div class="bottom">
    
    </div>
<div class="stretchedMargin">
Hello, world
<div id="footer">
        Hellow
</div>    
</div>
<hr>
       

</body>
</html>

CSS

body {
    background: orange;
}

.stretchedMargin {
    display: block;
    position:absolute;
    height:auto;
    width: 150px;
    bottom:0;
    top:0;
    left:0;
    right:0;
    margin-top:20px;
    margin-bottom:64px;
    margin-right:auto;
    margin-left:auto;
    background-color: green;
}

#footer {
    position: absolute;
    bottom: -64px;
    background: red;
    height: 54px;
    width: 100%;
}

.bottom {
    position: absolute;
    bottom: 0;
    background: blue;
    height: 54px;
    width: 100%;
}