JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    Start <br/>
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    End
</div>

CSS

* {
    margin:0;  
}

#container{
    width: 100%;
    height: 100%;
    overflow: auto;
    padding-right: 15px;
}

html, body{
    height: 100%;
    overflow:hidden;
}