JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="item">
        <div class="inner">
            <iframe src="http://jsfiddle.net/"></iframe>
        </div>
    </div>
    
    <div class="item">
        <div class="inner">
            <div class="box">testsetst</div>
        </div>
    </div>
</div>

CSS

.container{
    overflow: auto;
    height: 150px;
}

.item{
    overflow:hidden;
    height: 150px;
    width: 200px;
    float: left;
}

.inner{
    border: 1px solid red;
    width: 850px; 
    height: 450px; 
    transform: scale(0.15);
    -webkit-transform: scale(0.15);
    transform-origin: 0 0;
    -webkit-transform-origin: 0 0;
    background-color: transparent;
}

.box{
    width: 300px;
    height: 300px;
    background-color: blue;
}