JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
    <div class="container">
        blablabla<br />
        blablabla<br />
        blablabla
    </div>
</div>

CSS

.wrap {
    margin: 0 200px;
    display: block;
    border-left: 1px solid #000;
    background: #c0c0c0;
}
.container {
    width: 100%;
    border-right: 1px solid #000;
}