JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

* {
    border: 2px dashed black;
}
html {
    border:2px dashed violet;
}
body{
    border: 5px dashed blue;
}

div {
    height: 50px;
    border: 2px solid red;
    border-radius: 5px;
    background-color: #308014;
    margin-right:100px;
    /*margin-left:50px;*/
    /*margin-top:10px;*/
    margin-bottom:10px;
}