JSFiddle - React, Tailwind, and code Playground

by pradeep

HTML

<div></div>

CSS

body:after {
    content:"";
    position: absolute;
    z-index: -1;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 1px dashed #444;
}

div {
    margin: 10px auto;
    width: 60%;
    height: 100px;
    background: #666;
}