JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div></div>
    
</body>

CSS

html{
     background-color:green;
}

body {
    position:relative; 
    left:200px;    
    background-color:red;
}
div{
    position:relative;  
    left:100px;
    width:100px;
    height:100px;
    background-color:blue;
}