JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrap">
    <iframe id="frame" src="http://bbc.co.uk"></iframe>
</div>

CSS

#wrap { width: 600px; height: 1080px; padding: 0; overflow: hidden; }
#frame { width: 1920px; height: 2080px; border: 10px solid red; }
#frame {
    zoom: 0.5;
    -moz-transform: scale(0.5);
    -moz-transform-origin: 0 0;
    -o-transform: scale(0.5);
    -o-transform-origin: 0 0;
    -webkit-transform: scale(0.5);
    -webkit-transform-origin: 0 0;
}