JSFiddle - React, Tailwind, and code Playground

HTML

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<div id='test'>
    hello
</div>

CSS

html{
    background: #ECECEC;
    border: 1px solid #FFFFFF;
    padding:0px;
    margin:0px;
    width:100%;
    height:100%;
    position:asolute;
    right:0;
}

#test

{
      border: 1px solid red;
    padding:0px;
    margin:0px;
    width:100%;
    height:100%;
}

JavaScript

$("html").width($(document).width());
$("html").css("border", "1px solid black");