JSFiddle - React, Tailwind, and code Playground

HTML

<div class="right"></div> 
<div class="left"></div>

CSS

.left {
    overflow: hidden;
    min-height: 50px;
    border: 2px dashed #f0f
}

.right {
    float: right;
    width: 250px;
    min-height: 50px;
    margin-left: 10px;
    border: 2px dashed #00f
}