JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="captcha"></div>
    <div class="qrcode"></div>
</div>

CSS

.container{
}

.captcha{
    float:left;
    width:200px;
    height:100px;
    background:#123;
}

.qrcode{
    float:left;
    width:200px;
    height:100px;
    background:#456;
}