JSFiddle - React, Tailwind, and code Playground

HTML

<div>Hello this is a silly thing!</div>

CSS

div{
    position: relative;
    font-size: 16px;
    line-height: 24px;
    display: inline-block;
    width: 25px;
    padding: 0px 0px 0px 10px;
}

div:before {
    position: absolute;
    content: '';
    top: 6px;
    left: 0px;
    bottom: 6px;
    width: 0px;
    border-left: 1px solid black;
}