JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
</div>

CSS

html { 
    height: 100%;
}


body {
    min-height: 100%;  
    box-shadow: inset 0 0 490px black;
    background: url('http://osxdaily.com/wp-content/uploads/2011/08/apple-shirt.jpg');
    
    /* irrelevant */
    padding: 30px 0;
}


/*example*/
.container {
    height: 1200px;
    margin: 0 20%;
    background: whitesmoke;
}